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[LANG-362] simplify ExtendedMessageFormat design; recycle as much of super implementation as possible 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@630969 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Matthew Jason Benson 2008-02-25 19:51:18 +00:00
parent 583c62281e
commit 2e3057caa8
12 changed files with 388 additions and 1373 deletions
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66
src/java/org/apache/commons/lang/text/ChoiceMetaFormat.java
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@ -1,66 +0,0 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.lang.text;
import java.text.ChoiceFormat;
import java.text.FieldPosition;
import java.text.ParsePosition;
/**
* Stock "choice" MetaFormat.
*
* @see ExtendedMessageFormat
* @author Matt Benson
* @since 2.4
* @version $Id$
*/
public class ChoiceMetaFormat extends MetaFormatSupport {
private static final long serialVersionUID = 3802197832963795129L;
/**
* Singleton-usable instance.
*/
public static final ChoiceMetaFormat INSTANCE = new ChoiceMetaFormat();
/**
* Create a new ChoiceMetaFormat.
*/
public ChoiceMetaFormat() {
super();
}
/**
* {@inheritDoc}
*/
public StringBuffer format(Object obj, StringBuffer toAppendTo,
FieldPosition pos) {
if (obj instanceof ChoiceFormat) {
return toAppendTo.append(((ChoiceFormat) obj).toPattern());
}
throw new IllegalArgumentException(String.valueOf(obj));
}
/**
* {@inheritDoc}
*/
public Object parseObject(String source, ParsePosition pos) {
int start = pos.getIndex();
seekFormatElementEnd(source, pos);
return new ChoiceFormat(source.substring(start, pos.getIndex()));
}
}

53
src/java/org/apache/commons/lang/text/DateMetaFormat.java
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@ -1,53 +0,0 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.lang.text;
import java.text.DateFormat;
import java.util.Locale;
/**
* Stock "date" MetaFormat.
*
* @see ExtendedMessageFormat
* @author Matt Benson
* @since 2.4
* @version $Id$
*/
public class DateMetaFormat extends DateMetaFormatSupport {
private static final long serialVersionUID = -4732179430347600208L;
/**
* Create a new DateMetaFormat.
*/
public DateMetaFormat() {
super();
}
/**
* Create a new DateMetaFormat.
*
* @param locale the Locale to use
*/
public DateMetaFormat(Locale locale) {
super(locale);
}
/** {@inheritDoc} */
protected DateFormat createSubformatInstance(int style) {
return DateFormat.getDateInstance(style, getLocale());
}
}

240
src/java/org/apache/commons/lang/text/DateMetaFormatSupport.java
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@ -1,240 +0,0 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.lang.text;
import java.text.DateFormat;
import java.text.DateFormatSymbols;
import java.text.FieldPosition;
import java.text.Format;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
/**
* date/time metaFormat support.
*
* @see ExtendedMessageFormat
* @author Matt Benson
* @since 2.4
* @version $Id$
*/
public abstract class DateMetaFormatSupport extends MetaFormatSupport {
/** "Default" subformat name */
protected static final String DEFAULT = "";
/** "Short" subformat name */
protected static final String SHORT = "short";
/** "Medium" subformat name */
protected static final String MEDIUM = "medium";
/** "Long" subformat name */
protected static final String LONG = "long";
/** "Full" subformat name */
protected static final String FULL = "full";
private Locale locale;
private boolean handlePatterns = true;
private transient boolean initialized;
private transient Map styleMap;
private transient Map inverseStyleMap;
private transient Map subformats;
private transient Map reverseSubformats;
private transient DateFormatSymbols dateFormatSymbols;
/**
* Create a new AbstractDateMetaFormat.
*/
public DateMetaFormatSupport() {
this(Locale.getDefault());
}
/**
* Create a new AbstractDateMetaFormat.
*
* @param locale Locale
*/
public DateMetaFormatSupport(Locale locale) {
super();
this.locale = locale;
}
/**
* {@inheritDoc}
*/
public StringBuffer format(Object obj, StringBuffer toAppendTo,
FieldPosition pos) {
String subformat = getSubformatName(obj);
if (subformat != null) {
return toAppendTo.append(subformat);
}
if (isHandlePatterns() && obj instanceof SimpleDateFormat) {
SimpleDateFormat sdf = (SimpleDateFormat) obj;
if (sdf.getDateFormatSymbols().equals(dateFormatSymbols)) {
return toAppendTo.append(sdf.toPattern());
}
}
throw new IllegalArgumentException(String.valueOf(obj));
}
/**
* Get the subformat name for the given object.
*
* @param subformat Object
* @return subformat name.
*/
private String getSubformatName(Object subformat) {
initialize();
if (reverseSubformats.containsKey(subformat)) {
return (String) inverseStyleMap.get(reverseSubformats
.get(subformat));
}
return null;
}
/**
* {@inheritDoc}
*/
public Object parseObject(String source, ParsePosition pos) {
int start = pos.getIndex();
seekFormatElementEnd(source, pos);
if (pos.getErrorIndex() >= 0) {
return null;
}
String subformat = source.substring(start, pos.getIndex()).trim();
Object result = getSubformat(subformat);
if (result != null) {
return result;
}
if (isHandlePatterns()) {
return new SimpleDateFormat(subformat, getLocale());
}
pos.setErrorIndex(start);
return null;
}
/**
* Get the named subformat.
*
* @param subformat name
* @return Format designated by <code>name</code>, if any
*/
private Format getSubformat(String subformat) {
initialize();
if (!styleMap.containsKey(subformat)) {
return null;
}
initialize();
return (Format) subformats.get(styleMap.get(subformat));
}
/**
* Get the locale in use by this DateMetaFormatSupport.
*
* @return Locale
*/
public Locale getLocale() {
return locale;
}
/**
* Initialize this DateMetaFormatSupport.
*/
private synchronized void initialize() {
if (!initialized) {
styleMap = createStyleMap();
inverseStyleMap = createInverseStyleMap();
subformats = new HashMap();
reverseSubformats = new HashMap();
for (Iterator iter = styleMap.values().iterator(); iter.hasNext();) {
Integer style = (Integer) iter.next();
if (subformats.containsKey(style)) {
continue;
}
Format sf = createSubformatInstance(style.intValue());
subformats.put(style, sf);
if (inverseStyleMap.containsKey(style)) {
reverseSubformats.put(sf, style);
}
}
dateFormatSymbols = new DateFormatSymbols(getLocale());
}
initialized = true;
}
/**
* Create a subformat for the given <code>DateFormat</code> style
* constant.
*
* @param style DateFormat style constant
* @return a DateFormat instance.
*/
protected abstract DateFormat createSubformatInstance(int style);
/**
* Get whether this metaformat can parse date/time pattern formats in
* addition to named formats.
*
* @return boolean.
*/
public boolean isHandlePatterns() {
return handlePatterns;
}
/**
* Set whether this metaformat can parse date/time pattern formats in
* addition to named formats.
*
* @param handlePatterns the boolean handlePatterns to set.
* @return <code>this</code> for fluent usage.
*/
public DateMetaFormatSupport setHandlePatterns(boolean handlePatterns) {
this.handlePatterns = handlePatterns;
return this;
}
/**
* Create the style map.
*
* @return Map
*/
protected Map createStyleMap() {
HashMap result = new HashMap();
result.put(SHORT, new Integer(DateFormat.SHORT));
result.put(MEDIUM, new Integer(DateFormat.MEDIUM));
result.put(LONG, new Integer(DateFormat.LONG));
result.put(FULL, new Integer(DateFormat.FULL));
result.put(DEFAULT, new Integer(DateFormat.DEFAULT));
return result;
}
/**
* Create the inverse style map.
*
* @return Map
*/
protected Map createInverseStyleMap() {
Map invertMe = createStyleMap();
invertMe.remove(DEFAULT);
return invert(invertMe);
}
}

139
src/java/org/apache/commons/lang/text/DefaultMetaFormatFactory.java
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@ -1,139 +0,0 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.lang.text;
import java.text.Format;
import java.text.ParsePosition;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.lang.Validate;
/**
* Factory methods to produce metaformat instances that behave like
* java.text.MessageFormat.
*
* @author Matt Benson
* @since 2.4
* @version $Id: DefaultMetaFormatFactory.java 592077 2007-11-05 16:47:10Z
* mbenson $
*/
class DefaultMetaFormatFactory {
/** Number key */
public static final String NUMBER_KEY = "number";
/** Date key */
public static final String DATE_KEY = "date";
/** Time key */
public static final String TIME_KEY = "time";
/** Choice key */
public static final String CHOICE_KEY = "choice";
private static final String[] NO_SUBFORMAT_KEYS = new String[] {
NUMBER_KEY, DATE_KEY, TIME_KEY };
private static final String[] NO_PATTERN_KEYS = new String[] { NUMBER_KEY,
DATE_KEY, TIME_KEY, CHOICE_KEY };
private static final String[] PATTERN_KEYS = new String[] { DATE_KEY,
TIME_KEY };
/**
* Ordered NameKeyedMetaFormat
*/
private static class OrderedNameKeyedMetaFormat extends NameKeyedMetaFormat {
private static final long serialVersionUID = -7688772075239431055L;
private List keys;
/**
* Construct a new OrderedNameKeyedMetaFormat.
*
* @param names String[]
* @param formats Format[]
*/
private OrderedNameKeyedMetaFormat(String[] names, Format[] formats) {
super(createMap(names, formats));
this.keys = Arrays.asList(names);
}
/**
* Create a map from the specified key/value parameters.
*
* @param names keys
* @param formats values
* @return Map
*/
private static Map createMap(String[] names, Format[] formats) {
Validate.isTrue(ArrayUtils.isSameLength(names, formats));
HashMap result = new HashMap(names.length);
for (int i = 0; i < names.length; i++) {
result.put(names[i], formats[i]);
}
return result;
}
/**
* {@inheritDoc}
*/
protected Iterator iterateKeys() {
return keys.iterator();
}
}
/**
* Get a default metaformat for the specified Locale.
*
* @param locale the Locale for the resulting Format instance.
* @return Format
*/
public static Format getFormat(final Locale locale) {
Format nmf = new NumberMetaFormat(locale);
Format dmf = new DateMetaFormat(locale).setHandlePatterns(false);
Format tmf = new TimeMetaFormat(locale).setHandlePatterns(false);
return new MultiFormat(new Format[] {
new OrderedNameKeyedMetaFormat(NO_SUBFORMAT_KEYS, new Format[] {
getDefaultFormat(nmf), getDefaultFormat(dmf),
getDefaultFormat(tmf) }),
new OrderedNameKeyedMetaFormat(NO_PATTERN_KEYS, new Format[] {
nmf, dmf, tmf, ChoiceMetaFormat.INSTANCE }),
new OrderedNameKeyedMetaFormat(PATTERN_KEYS,
new Format[] { new DateMetaFormat(locale),
new TimeMetaFormat(locale) }) });
}
/**
* Get the default format supported by a given metaformat.
*
* @param metaformat Format to handle parsing.
* @return the default format, if any.
*/
private static Format getDefaultFormat(Format metaformat) {
ParsePosition pos = new ParsePosition(0);
Object o = metaformat.parseObject("", pos);
return pos.getErrorIndex() < 0 ? (Format) o : null;
}
}

704
src/java/org/apache/commons/lang/text/ExtendedMessageFormat.java
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@ -20,25 +20,19 @@
import java.text.MessageFormat;
import java.text.ParsePosition;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.Validate;
/**
* Extends <code>MessageFormat</code> to allow pluggable/additional formatting
* options for embedded format elements; requires a "meta-format", that is a
* <code>Format</code> capable of parsing and formatting other
* <code>Format</code>s.
*
* Limitations:
* <ul>
* <li><code>toPattern()</code> results are tailored to JDK 1.4+ output and
* will produce fairly drastically different results on earlier JDKs.</li>
* <li>Recursive choice formats do not inherit knowledge of the extended
* formatters and are limited to those available with
* <code>java.text.MessageFormat</code>.</li>
* </ul>
* options for embedded format elements; requires elaboration.
*
* Note that the mutator methods for the replacement Formats are to be considered
* unnecessary and thus have been disabled (UnsupportedOperationException).
*
* @author Matt Benson
* @since 2.4
@ -47,299 +41,24 @@
public class ExtendedMessageFormat extends MessageFormat {
private static final long serialVersionUID = -2362048321261811743L;
/**
* Get a default meta-format for the default Locale. This will produce
* behavior identical to a <code>java.lang.MessageFormat</code> using the
* default locale.
*
* @return Format
*/
public static Format createDefaultMetaFormat() {
return createDefaultMetaFormat(Locale.getDefault());
}
private static final String DUMMY_PATTERN = "";
private static final String ESCAPED_QUOTE = "''";
private static final char START_FMT = ',';
private static final char END_FE = '}';
private static final char START_FE = '{';
private static final char QUOTE = '\'';
/**
* Get a default meta-format for the specified Locale. This will produce
* behavior identical to a <code>java.lang.MessageFormat</code> using
* <code>locale</code>.
*
* @param locale the Locale for the resulting Format instance.
* @return Format
*/
public static Format createDefaultMetaFormat(Locale locale) {
return DefaultMetaFormatFactory.getFormat(locale);
}
/**
* Conceptual demarcation of methods to parse the pattern.
*/
private static class Parser {
private static final String ESCAPED_QUOTE = "''";
private static final char START_FMT = ',';
private static final char END_FE = '}';
private static final char START_FE = '{';
private static final char QUOTE = '\'';
/**
* Strip all formats from the pattern.
*
* @param pattern String to strip
* @return stripped pattern
*/
private String stripFormats(String pattern) {
StringBuffer sb = new StringBuffer(pattern.length());
ParsePosition pos = new ParsePosition(0);
char[] c = pattern.toCharArray();
while (pos.getIndex() < pattern.length()) {
switch (c[pos.getIndex()]) {
case QUOTE:
appendQuotedString(pattern, pos, sb, true);
break;
case START_FE:
int start = pos.getIndex();
readArgumentIndex(pattern, next(pos));
sb.append(c, start, pos.getIndex() - start);
if (c[pos.getIndex()] == START_FMT) {
eatFormat(pattern, next(pos));
}
if (c[pos.getIndex()] != END_FE) {
throw new IllegalArgumentException(
"Unreadable format element at position "
+ start);
}
// fall through
default:
sb.append(c[pos.getIndex()]);
next(pos);
}
}
return sb.toString();
}
/**
* Insert formats back into the pattern for toPattern() support.
*
* @param pattern source
* @param formats the Formats to insert
* @param metaFormat Format to format the Formats
* @return full pattern
*/
private String insertFormats(String pattern, Format[] formats,
Format metaFormat) {
if (formats == null || formats.length == 0) {
return pattern;
}
StringBuffer sb = new StringBuffer(pattern.length() * 2);
ParsePosition pos = new ParsePosition(0);
int fe = -1;
while (pos.getIndex() < pattern.length()) {
char c = pattern.charAt(pos.getIndex());
switch (c) {
case QUOTE:
appendQuotedString(pattern, pos, sb, false);
break;
case START_FE:
fe++;
sb.append(START_FE).append(
readArgumentIndex(pattern, next(pos)));
if (formats[fe] != null) {
String formatName = metaFormat.format(formats[fe]);
if (StringUtils.isNotEmpty(formatName)) {
sb.append(START_FMT).append(formatName);
}
}
break;
default:
sb.append(pattern.charAt(pos.getIndex()));
next(pos);
}
}
return sb.toString();
}
/**
* Parse the formats from the given pattern.
*
* @param pattern String to parse
* @param metaFormat Format to parse the Formats
* @return array of parsed Formats
*/
private Format[] parseFormats(String pattern, Format metaFormat) {
ArrayList result = new ArrayList();
ParsePosition pos = new ParsePosition(0);
while (pos.getIndex() < pattern.length()) {
switch (pattern.charAt(pos.getIndex())) {
case QUOTE:
getQuotedString(pattern, next(pos), true);
break;
case START_FE:
int start = pos.getIndex();
readArgumentIndex(pattern, next(pos));
if (pattern.charAt(pos.getIndex()) == START_FMT) {
seekNonWs(pattern, next(pos));
}
result.add(metaFormat.parseObject(pattern, pos));
seekNonWs(pattern, pos);
if (pattern.charAt(pos.getIndex()) != END_FE) {
throw new IllegalArgumentException(
"Unreadable format element at position "
+ start);
}
// fall through
default:
next(pos);
}
}
return (Format[]) result.toArray(new Format[result.size()]);
}
/**
* Consume whitespace from the current parse position.
*
* @param pattern String to read
* @param pos current position
*/
private void seekNonWs(String pattern, ParsePosition pos) {
int len = 0;
char[] buffer = pattern.toCharArray();
do {
len = StrMatcher.splitMatcher().isMatch(buffer, pos.getIndex());
pos.setIndex(pos.getIndex() + len);
} while (len > 0 && pos.getIndex() < pattern.length());
}
/**
* Convenience method to advance parse position by 1
*
* @param pos ParsePosition
* @return <code>pos</code>
*/
private ParsePosition next(ParsePosition pos) {
pos.setIndex(pos.getIndex() + 1);
return pos;
}
/**
* Read the argument index from the current format element
*
* @param pattern pattern to parse
* @param pos current parse position
* @return argument index as string
*/
private String readArgumentIndex(String pattern, ParsePosition pos) {
int start = pos.getIndex();
for (; pos.getIndex() < pattern.length(); next(pos)) {
char c = pattern.charAt(pos.getIndex());
if (c == START_FMT || c == END_FE) {
return pattern.substring(start, pos.getIndex());
}
if (!Character.isDigit(c)) {
throw new IllegalArgumentException(
"Invalid format argument index at position "
+ start);
}
}
throw new IllegalArgumentException(
"Unterminated format element at position " + start);
}
/**
* Consume a quoted string, adding it to <code>appendTo</code> if
* specified.
*
* @param pattern pattern to parse
* @param pos current parse position
* @param appendTo optional StringBuffer to append
* @param escapingOn whether to process escaped quotes
* @return <code>appendTo</code>
*/
private StringBuffer appendQuotedString(String pattern,
ParsePosition pos, StringBuffer appendTo, boolean escapingOn) {
int start = pos.getIndex();
char[] c = pattern.toCharArray();
if (escapingOn && c[start] == QUOTE) {
return appendTo == null ? null : appendTo.append(QUOTE);
}
int lastHold = start;
for (int i = pos.getIndex(); i < pattern.length(); i++) {
if (escapingOn
&& pattern.substring(i).startsWith(ESCAPED_QUOTE)) {
appendTo.append(c, lastHold, pos.getIndex() - lastHold)
.append(QUOTE);
pos.setIndex(i + ESCAPED_QUOTE.length());
lastHold = pos.getIndex();
continue;
}
switch (c[pos.getIndex()]) {
case QUOTE:
next(pos);
return appendTo == null ? null : appendTo.append(c,
lastHold, pos.getIndex() - lastHold);
default:
next(pos);
}
}
throw new IllegalArgumentException(
"Unterminated quoted string at position " + start);
}
/**
* Consume quoted string only
*
* @param pattern pattern to parse
* @param pos current parse position
* @param escapingOn whether to process escaped quotes
*/
private void getQuotedString(String pattern, ParsePosition pos,
boolean escapingOn) {
appendQuotedString(pattern, pos, null, escapingOn);
}
/**
* Consume the entire format found at the current position.
*
* @param pattern string to parse
* @param pos current parse position
*/
private void eatFormat(String pattern, ParsePosition pos) {
int start = pos.getIndex();
int depth = 1;
for (; pos.getIndex() < pattern.length(); next(pos)) {
switch (pattern.charAt(pos.getIndex())) {
case START_FE:
depth++;
break;
case END_FE:
depth--;
if (depth == 0) {
return;
}
break;
case QUOTE:
getQuotedString(pattern, pos, false);
break;
}
}
throw new IllegalArgumentException(
"Unterminated format element at position " + start);
}
}
private static final Parser PARSER = new Parser();
private Format metaFormat;
private String strippedPattern;
private String toPattern;
private Map registry;
/**
* Create a new ExtendedMessageFormat for the default locale.
*
* @param pattern String
* @param metaFormat Format
* @throws IllegalArgumentException if <code>metaFormat</code> is
* <code>null</code> or in case of a bad pattern.
* @throws IllegalArgumentException in case of a bad pattern.
*/
public ExtendedMessageFormat(String pattern, Format metaFormat) {
this(pattern, Locale.getDefault(), metaFormat);
public ExtendedMessageFormat(String pattern) {
this(pattern, Locale.getDefault());
}
/**
@ -347,89 +66,376 @@ public ExtendedMessageFormat(String pattern, Format metaFormat) {
*
* @param pattern String
* @param locale Locale
* @param metaFormat Format
* @throws IllegalArgumentException if <code>metaFormat</code> is
* <code>null</code> or in case of a bad pattern.
* @throws IllegalArgumentException in case of a bad pattern.
*/
public ExtendedMessageFormat(String pattern, Locale locale,
Format metaFormat) {
/*
* We have to do some acrobatics here: the call to the super constructor
* will invoke applyPattern(), but we don't want to apply the pattern
* until we've installed our custom metaformat. So we check for that in
* our (final) applyPattern implementation, and re-call at the end of
* this constructor.
*/
super(pattern);
setLocale(locale);
setMetaFormat(metaFormat);
public ExtendedMessageFormat(String pattern, Locale locale) {
this(pattern, locale, null);
}
/**
* Create a new ExtendedMessageFormat for the default locale.
*
* @param pattern String
* @param registry Registry of format factories: Map<String, FormatFactory>
* @throws IllegalArgumentException in case of a bad pattern.
*/
public ExtendedMessageFormat(String pattern, Map registry) {
this(pattern, Locale.getDefault(), registry);
}
/**
* Create a new ExtendedMessageFormat.
*
* @param pattern String
* @param locale Locale
* @param registry Registry of format factories: Map<String, FormatFactory>
* @throws IllegalArgumentException in case of a bad pattern.
*/
public ExtendedMessageFormat(String pattern, Locale locale, Map registry) {
super(DUMMY_PATTERN, locale);
this.registry = registry;
applyPattern(pattern);
}
/**
* {@inheritDoc}
*/
public String toPattern() {
return toPattern;
}
/**
* Apply the specified pattern.
*
* @param pattern String
*/
public final void applyPattern(String pattern) {
if (metaFormat == null) {
if (registry == null) {
super.applyPattern(pattern);
toPattern = super.toPattern();
return;
}
applyPatternPre(pattern);
strippedPattern = PARSER.stripFormats(pattern);
super.applyPattern(strippedPattern);
setFormats(PARSER.parseFormats(pattern, metaFormat));
applyPatternPost(pattern);
ArrayList foundFormats = new ArrayList();
ArrayList foundDescriptions = new ArrayList();
StringBuffer stripCustom = new StringBuffer(pattern.length());
ParsePosition pos = new ParsePosition(0);
char[] c = pattern.toCharArray();
int fmtCount = 0;
while (pos.getIndex() < pattern.length()) {
switch (c[pos.getIndex()]) {
case QUOTE:
appendQuotedString(pattern, pos, stripCustom, true);
break;
case START_FE:
fmtCount++;
seekNonWs(pattern, pos);
int start = pos.getIndex();
int index = readArgumentIndex(pattern, next(pos));
stripCustom.append(START_FE).append(index);
seekNonWs(pattern, pos);
Format format = null;
String formatDescription = null;
if (c[pos.getIndex()] == START_FMT) {
formatDescription = parseFormatDescription(pattern,
next(pos));
format = getFormat(formatDescription);
if (format == null) {
stripCustom.append(START_FMT).append(formatDescription);
}
}
foundFormats.add(format);
foundDescriptions.add(format == null ? null : formatDescription);
Validate.isTrue(foundFormats.size() == fmtCount);
Validate.isTrue(foundDescriptions.size() == fmtCount);
if (c[pos.getIndex()] != END_FE) {
throw new IllegalArgumentException(
"Unreadable format element at position " + start);
}
// fall through
default:
stripCustom.append(c[pos.getIndex()]);
next(pos);
}
}
super.applyPattern(stripCustom.toString());
toPattern = insertFormats(super.toPattern(), foundDescriptions);
if (containsElements(foundFormats)) {
Format[] origFormats = getFormats();
for (int i = 0; i < origFormats.length; i++) {
Format f = (Format) foundFormats.get(i);
if (f != null) {
origFormats[i] = f;
}
}
super.setFormats(origFormats);
}
}
/**
* Pre-execution hook by means of which a subclass can customize the
* behavior of the final applyPattern implementation.
*
* @param pattern String
* {@inheritDoc}
* UNSUPPORTED
*/
protected void applyPatternPre(String pattern) {
// noop
public void setFormat(int formatElementIndex, Format newFormat) {
throw new UnsupportedOperationException();
}
/**
* Post-execution hook by means of which a subclass can customize the
* behavior of the final applyPattern implementation.
*
* @param pattern String
* {@inheritDoc}
* UNSUPPORTED
*/
protected void applyPatternPost(String pattern) {
// noop
public void setFormatByArgumentIndex(int argumentIndex, Format newFormat) {
throw new UnsupportedOperationException();
}
/**
* Render the pattern from the current state of the
* <code>ExtendedMessageFormat</code>.
*
* @return pattern String
* {@inheritDoc}
* UNSUPPORTED
*/
public String toPattern() {
return PARSER.insertFormats(strippedPattern, getFormats(), metaFormat);
public void setFormats(Format[] newFormats) {
throw new UnsupportedOperationException();
}
/**
* Get the meta-format currently configured.
*
* @return Format.
* {@inheritDoc}
* UNSUPPORTED
*/
public synchronized Format getMetaFormat() {
return metaFormat;
public void setFormatsByArgumentIndex(Format[] newFormats) {
throw new UnsupportedOperationException();
}
/**
* Set the meta-format. Has no effect until a subsequent call to
* {@link #applyPattern(String)}.
* Get a custom format from a format description.
*
* @param metaFormat the Format metaFormat to set.
* @param desc String
* @return Format
*/
public synchronized void setMetaFormat(Format metaFormat) {
Validate.notNull(metaFormat, "metaFormat is null");
this.metaFormat = metaFormat;
private Format getFormat(String desc) {
if (registry != null) {
String name = desc;
String args = null;
int i = desc.indexOf(START_FMT);
if (i > 0) {
name = desc.substring(0, i).trim();
args = desc.substring(i + 1).trim();
}
FormatFactory factory = (FormatFactory) registry.get(name);
if (factory != null) {
return factory.getFormat(name, args, getLocale());
}
}
return null;
}
/**
* Read the argument index from the current format element
*
* @param pattern pattern to parse
* @param pos current parse position
* @return argument index
*/
private int readArgumentIndex(String pattern, ParsePosition pos) {
int start = pos.getIndex();
seekNonWs(pattern, pos);
StringBuffer result = new StringBuffer();
boolean error = false;
for (; !error && pos.getIndex() < pattern.length(); next(pos)) {
char c = pattern.charAt(pos.getIndex());
if (Character.isWhitespace(c)) {
seekNonWs(pattern, pos);
c = pattern.charAt(pos.getIndex());
if (c != START_FMT && c != END_FE) {
error = true;
continue;
}
}
if ((c == START_FMT || c == END_FE) && result.length() > 0) {
try {
return Integer.parseInt(result.toString());
} catch (NumberFormatException e) {
//we've already ensured only digits, so unless something outlandishly large was specified we should be okay.
}
}
error = !Character.isDigit(c);
result.append(c);
}
if (error) {
throw new IllegalArgumentException(
"Invalid format argument index at position " + start + ": "
+ pattern.substring(start, pos.getIndex()));
}
throw new IllegalArgumentException(
"Unterminated format element at position " + start);
}
/**
* Parse the format component of a format element.
*
* @param pattern string to parse
* @param pos current parse position
* @return Format description String
*/
private String parseFormatDescription(String pattern, ParsePosition pos) {
int start = pos.getIndex();
seekNonWs(pattern, pos);
int text = pos.getIndex();
int depth = 1;
for (; pos.getIndex() < pattern.length(); next(pos)) {
switch (pattern.charAt(pos.getIndex())) {
case START_FE:
depth++;
break;
case END_FE:
depth--;
if (depth == 0) {
return pattern.substring(text, pos.getIndex());
}
break;
case QUOTE:
getQuotedString(pattern, pos, false);
break;
}
}
throw new IllegalArgumentException(
"Unterminated format element at position " + start);
}
/**
* Insert formats back into the pattern for toPattern() support.
*
* @param pattern source
* @param formats the Formats to insert
* @param metaFormat Format to format the Formats
* @return full pattern
*/
private String insertFormats(String pattern, ArrayList customPatterns) {
if (!containsElements(customPatterns)) {
return pattern;
}
StringBuffer sb = new StringBuffer(pattern.length() * 2);
ParsePosition pos = new ParsePosition(0);
int fe = -1;
int depth = 0;
while (pos.getIndex() < pattern.length()) {
char c = pattern.charAt(pos.getIndex());
switch (c) {
case QUOTE:
appendQuotedString(pattern, pos, sb, false);
break;
case START_FE:
depth++;
if (depth == 1) {
fe++;
sb.append(START_FE).append(
readArgumentIndex(pattern, next(pos)));
String customPattern = (String) customPatterns.get(fe);
if (customPattern != null) {
sb.append(START_FMT).append(customPattern);
}
}
break;
case END_FE:
depth--;
//fall through:
default:
sb.append(c);
next(pos);
}
}
return sb.toString();
}
/**
* Consume whitespace from the current parse position.
*
* @param pattern String to read
* @param pos current position
*/
private void seekNonWs(String pattern, ParsePosition pos) {
int len = 0;
char[] buffer = pattern.toCharArray();
do {
len = StrMatcher.splitMatcher().isMatch(buffer, pos.getIndex());
pos.setIndex(pos.getIndex() + len);
} while (len > 0 && pos.getIndex() < pattern.length());
}
/**
* Convenience method to advance parse position by 1
*
* @param pos ParsePosition
* @return <code>pos</code>
*/
private ParsePosition next(ParsePosition pos) {
pos.setIndex(pos.getIndex() + 1);
return pos;
}
/**
* Consume a quoted string, adding it to <code>appendTo</code> if
* specified.
*
* @param pattern pattern to parse
* @param pos current parse position
* @param appendTo optional StringBuffer to append
* @param escapingOn whether to process escaped quotes
* @return <code>appendTo</code>
*/
private StringBuffer appendQuotedString(String pattern, ParsePosition pos,
StringBuffer appendTo, boolean escapingOn) {
int start = pos.getIndex();
char[] c = pattern.toCharArray();
if (escapingOn && c[start] == QUOTE) {
return appendTo == null ? null : appendTo.append(QUOTE);
}
int lastHold = start;
for (int i = pos.getIndex(); i < pattern.length(); i++) {
if (escapingOn && pattern.substring(i).startsWith(ESCAPED_QUOTE)) {
appendTo.append(c, lastHold, pos.getIndex() - lastHold).append(
QUOTE);
pos.setIndex(i + ESCAPED_QUOTE.length());
lastHold = pos.getIndex();
continue;
}
switch (c[pos.getIndex()]) {
case QUOTE:
next(pos);
return appendTo == null ? null : appendTo.append(c, lastHold,
pos.getIndex() - lastHold);
default:
next(pos);
}
}
throw new IllegalArgumentException(
"Unterminated quoted string at position " + start);
}
/**
* Consume quoted string only
*
* @param pattern pattern to parse
* @param pos current parse position
* @param escapingOn whether to process escaped quotes
*/
private void getQuotedString(String pattern, ParsePosition pos,
boolean escapingOn) {
appendQuotedString(pattern, pos, null, escapingOn);
}
/**
* Learn whether the specified Collection contains non-null elements.
* @param coll to check
* @return <code>true</code> if some Object was found, <code>false</code> otherwise.
*/
private boolean containsElements(Collection coll) {
if (coll == null || coll.size() == 0) {
return false;
}
for (Iterator iter = coll.iterator(); iter.hasNext();) {
if (iter.next() != null) {
return true;
}
}
return false;
}
}

24
src/java/org/apache/commons/lang/text/FormatFactory.java Normal file
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@ -0,0 +1,24 @@
package org.apache.commons.lang.text;
import java.text.Format;
import java.util.Locale;
/**
* Format factory.
* @since 2.4
* @author Niall Pemberton
* @version $Id$
*/
public interface FormatFactory {
/**
* Create or retrieve a format instance.
*
* @param name The format type name
* @param arguments Arguments used to create the format instance
* @param locale The locale, may be null
* @return The format instance
*/
Format getFormat(String name, String arguments, Locale locale);
}

122
src/java/org/apache/commons/lang/text/MetaFormatSupport.java
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@ -1,122 +0,0 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.lang.text;
import java.text.FieldPosition;
import java.text.Format;
import java.text.ParsePosition;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/**
* Support class for implementing Formats that parse/format other Formats, with
* specific support for interoperability with ExtendedMessageFormat.
*
* @see ExtendedMessageFormat
* @author Matt Benson
* @since 2.4
* @version $Id$
*/
public abstract class MetaFormatSupport extends Format {
private static final char END_FE = '}';
private static final char START_FE = '{';
private static final char QUOTE = '\'';
/**
* Invert the specified Map.
*
* @param map the Map to invert.
* @return a new Map instance.
* @throws NullPointerException if <code>map</code> is <code>null</code>.
*/
protected Map invert(Map map) {
Map result = new HashMap(map.size());
for (Iterator iter = map.entrySet().iterator(); iter.hasNext();) {
Map.Entry entry = (Map.Entry) iter.next();
result.put(entry.getValue(), entry.getKey());
}
return result;
}
/**
* Find the end of the subformat.
*
* @param source String
* @param pos current parse position
*/
protected void seekFormatElementEnd(String source, ParsePosition pos) {
int depth = 1;
boolean quote = false;
for (; pos.getIndex() < source.length(); next(pos)) {
switch (source.charAt(pos.getIndex())) {
case QUOTE:
quote ^= true;
break;
case START_FE:
depth += quote ? 0 : 1;
break;
case END_FE:
depth -= quote ? 0 : 1;
if (depth == 0) {
return;
}
break;
}
}
}
/**
* Advance the parse index by 1.
*
* @param pos the ParsePosition to advance.
* @return <code>pos</code>
*/
protected ParsePosition next(ParsePosition pos) {
pos.setIndex(pos.getIndex() + 1);
return pos;
}
// provide default javadoc >;)
/**
* Parse an object from the specified String and ParsePosition. If an error
* occurs <code>pos.getErrorIndex()</code> will contain a value >= zero,
* indicating the index at which the parse error occurred.
*
* @param source String to parse
* @param pos ParsePosition marking index into <code>source</code>
* @return Object parsed
*/
public abstract Object parseObject(String source, ParsePosition pos);
/**
* Format the specified object, appending to the given StringBuffer, and
* optionally respecting the specified FieldPosition.
*
* @param obj the object to format
* @param toAppendTo the StringBuffer to which the formatted object should
* be appended
* @param pos FieldPosition associated with <code>obj</code>
* @return <code>toAppendTo</code>
* @throws NullPointerException if <code>toAppendTo</code> or
* <code>pos</code> is <code>null</code>
* @throws IllegalArgumentException if unable to format <code>obj</code>
*/
public abstract StringBuffer format(Object obj, StringBuffer toAppendTo,
FieldPosition pos);
}

159
src/java/org/apache/commons/lang/text/NameKeyedMetaFormat.java
View File

@ -1,159 +0,0 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.lang.text;
import java.text.FieldPosition;
import java.text.Format;
import java.text.ParsePosition;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.apache.commons.lang.ObjectUtils;
/**
* Basic metaFormat that requires enough configuration information to
* parse/format other Formats for use by ExtendedMessageFormat.
*
* @see ExtendedMessageFormat
* @author Matt Benson
* @since 2.4
* @version $Id$
*/
public class NameKeyedMetaFormat extends MetaFormatSupport {
private static final long serialVersionUID = 5963121202601122213L;
private static final char TRIGGER_END = '}';
private static final char TRIGGER_SUBFORMAT = ',';
/**
* Provides a builder with a fluent interface. Example:
* <p>
* <code>
* <pre>
* NameKeyedMetaFormat nkmf = new NameKeyedMetaFormat.Builder().put(&quot;foo&quot;,
* new FooFormat()).put(&quot;bar&quot;, new BarFormat())
* .put(&quot;baz&quot;, new BazFormat()).toNameKeyedMetaFormat();
* </pre></code>
* </p>
*/
public static class Builder {
private HashMap keyedFormats = new HashMap();
/**
* Add the specified format with the specified string key.
*
* @param key String
* @param format Format
* @return Builder reference to this object
*/
public Builder put(String key, Format format) {
keyedFormats.put(key, format);
return this;
}
/**
* Render the {@link NameKeyedMetaFormat} instance from this Builder.
*
* @return NameKeyedMetaFormat
*/
public NameKeyedMetaFormat toNameKeyedMetaFormat() {
return new NameKeyedMetaFormat(keyedFormats);
}
}
private Map/* <String, Format> */keyedFormats = new HashMap();
/**
* Create a new NameKeyedMetaFormat.
*
* @param keyedFormats String->Format map.
*/
public NameKeyedMetaFormat(Map keyedFormats) {
this.keyedFormats = keyedFormats;
}
/**
* {@inheritDoc}
*/
public StringBuffer format(Object obj, StringBuffer toAppendTo,
FieldPosition pos) {
int start = toAppendTo.length();
// first try to match a sans-subformat format:
for (Iterator iter = iterateKeys(); iter.hasNext();) {
Object key = iter.next();
if (ObjectUtils.equals(keyedFormats.get(key), obj)) {
return toAppendTo.append(key);
}
}
// now try again with subformats:
for (Iterator iter = iterateKeys(); iter.hasNext();) {
Object key = iter.next();
try {
((Format) keyedFormats.get(key)).format(obj, toAppendTo, pos);
if (toAppendTo.length() > start) {
toAppendTo.insert(start, ',');
}
return toAppendTo.insert(start, key);
} catch (Exception e) {
continue;
}
}
throw new IllegalArgumentException("Cannot format " + obj);
}
/**
* {@inheritDoc}
*/
public Object parseObject(String source, ParsePosition pos) {
int start = pos.getIndex();
boolean subformat = false;
for (; pos.getIndex() < source.length(); next(pos)) {
char c = source.charAt(pos.getIndex());
if (c == TRIGGER_SUBFORMAT) {
subformat = true;
break;
}
if (c == TRIGGER_END) {
break;
}
}
String key = source.substring(start, pos.getIndex());
Format format = (Format) keyedFormats.get(key);
if (format == null) {
format = (Format) keyedFormats.get(key.trim());
if (format == null) {
pos.setErrorIndex(start);
return null;
}
}
if (subformat) {
return format.parseObject(source, next(pos));
}
return format;
}
/**
* Extension point to alter the iteration order of the delegate format keys.
*
* @return Iterator.
*/
protected Iterator iterateKeys() {
return keyedFormats.keySet().iterator();
}
}

168
src/java/org/apache/commons/lang/text/NumberMetaFormat.java
View File

@ -1,168 +0,0 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.lang.text;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.FieldPosition;
import java.text.NumberFormat;
import java.text.ParsePosition;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
/**
* Stock "number" MetaFormat.
*
* @see ExtendedMessageFormat
* @author Matt Benson
* @since 2.4
* @version $Id$
*/
public class NumberMetaFormat extends MetaFormatSupport {
private static final long serialVersionUID = -5876397363537288952L;
private static final String DEFAULT = "";
private static final String INTEGER = "integer";
private static final String CURRENCY = "currency";
private static final String PERCENT = "percent";
private static final Method GET_INTEGER_INSTANCE;
static {
Method m = null;
try {
Method mm = NumberFormat.class.getDeclaredMethod("getIntegerInstance", new Class[] { Locale.class });
if (Modifier.isStatic(mm.getModifiers())) {
m = mm;
}
} catch (Exception e) {
// leave null
}
GET_INTEGER_INSTANCE = m;
}
private Locale locale;
private transient Map subformats;
private transient Map reverseSubformats;
private transient DecimalFormatSymbols decimalFormatSymbols;
/**
* Create a new NumberMetaFormat.
*/
public NumberMetaFormat() {
this(Locale.getDefault());
}
/**
* Create a new NumberMetaFormat.
*
* @param locale Locale
*/
public NumberMetaFormat(Locale locale) {
super();
this.locale = locale;
}
/**
* {@inheritDoc}
*/
public StringBuffer format(Object obj, StringBuffer toAppendTo,
FieldPosition pos) {
initialize();
String subformat = (String) reverseSubformats.get(obj);
if (subformat != null) {
return toAppendTo.append(subformat);
}
if (obj instanceof DecimalFormat) {
DecimalFormat df = (DecimalFormat) obj;
if (df.getDecimalFormatSymbols().equals(decimalFormatSymbols)) {
return toAppendTo.append(df.toPattern());
}
}
throw new IllegalArgumentException();
}
/**
* {@inheritDoc}
*/
public Object parseObject(String source, ParsePosition pos) {
int start = pos.getIndex();
seekFormatElementEnd(source, pos);
if (pos.getErrorIndex() >= 0) {
return null;
}
String subformat = source.substring(start, pos.getIndex()).trim();
initialize();
Object result = subformats.get(subformat);
if (result != null) {
return result;
}
return new DecimalFormat(subformat, decimalFormatSymbols);
}
/**
* Get the locale in use by this <code>NumberMetaFormat</code>.
*
* @return Locale
*/
public Locale getLocale() {
return locale;
}
/**
* Initialize this NumberMetaFormat.
*/
private synchronized void initialize() {
if (subformats == null) {
subformats = new HashMap();
subformats.put(DEFAULT, NumberFormat.getInstance(getLocale()));
subformats.put(INTEGER, createIntegerInstance(getLocale()));
subformats.put(CURRENCY, NumberFormat
.getCurrencyInstance(getLocale()));
subformats.put(PERCENT, NumberFormat
.getPercentInstance(getLocale()));
reverseSubformats = invert(subformats);
decimalFormatSymbols = new DecimalFormatSymbols(getLocale());
}
}
/**
* Create the "integer" NumberFormat instance for the specified Locale.
*
* @param locale the Locale to use
* @return integer NumberFormat
*/
private static NumberFormat createIntegerInstance(Locale locale) {
if (GET_INTEGER_INSTANCE != null) {
try {
return (NumberFormat) GET_INTEGER_INSTANCE.invoke(null, new Object[] { locale });
} catch (IllegalAccessException e) {
//fall through
} catch (InvocationTargetException e) {
//fall through
}
}
NumberFormat result = NumberFormat.getInstance(locale);
result.setMaximumFractionDigits(0);
result.setParseIntegerOnly(true);
return result;
}
}

68
src/java/org/apache/commons/lang/text/TimeMetaFormat.java
View File

@ -1,68 +0,0 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.lang.text;
import java.text.DateFormat;
import java.util.Locale;
import java.util.Map;
/**
* Stock "time" MetaFormat.
*
* @see ExtendedMessageFormat
* @author Matt Benson
* @since 2.4
* @version $Id$
*/
public class TimeMetaFormat extends DateMetaFormatSupport {
private static final long serialVersionUID = -4959095416302142342L;
/**
* Create a new TimeMetaFormat.
*/
public TimeMetaFormat() {
super();
}
/**
* Create a new NumberMetaFormat.
*
* @param locale Locale
*/
public TimeMetaFormat(Locale locale) {
super(locale);
}
/** {@inheritDoc} */
protected DateFormat createSubformatInstance(int style) {
return DateFormat.getTimeInstance(style, getLocale());
}
/** {@inheritDoc} */
protected Map createInverseStyleMap() {
Map invertMe = createStyleMap();
invertMe.remove(DEFAULT);
DateFormat longDf = DateFormat.getTimeInstance(DateFormat.LONG,
getLocale());
DateFormat fullDf = DateFormat.getTimeInstance(DateFormat.FULL,
getLocale());
if (fullDf.equals(longDf)) {
invertMe.remove(FULL);
}
return invert(invertMe);
}
}

3
src/test/org/apache/commons/lang/text/ExtendedMessageFormatBaselineTest.java
View File

@ -173,8 +173,7 @@ protected Locale getLocale() {
* {@inheritDoc}
*/
protected MessageFormat createMessageFormat(String pattern, Locale locale) {
return new ExtendedMessageFormat(pattern, locale, ExtendedMessageFormat
.createDefaultMetaFormat(locale));
return new ExtendedMessageFormat(pattern, locale);
}
}

15
src/test/org/apache/commons/lang/text/MessageFormatExtensionTest.java
View File

@ -24,6 +24,7 @@
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Locale;
/**
@ -237,13 +238,13 @@ private static void next(ParsePosition pos) {
* {@inheritDoc}
*/
protected MessageFormat createMessageFormat(String pattern, Locale locale) {
return new ExtendedMessageFormat(pattern, locale,
new MultiFormat.Builder().add(
new NameKeyedMetaFormat.Builder().put("properName",
new ProperNameCapitalizationFormat())
.toNameKeyedMetaFormat()).add(
ExtendedMessageFormat.createDefaultMetaFormat(locale))
.toMultiFormat());
final ProperNameCapitalizationFormat properNameCapitalizationFormat = new ProperNameCapitalizationFormat();
final FormatFactory ff = new FormatFactory() {
public Format getFormat(String name, String arguments, Locale locale) {
return "properName".equals(name) ? properNameCapitalizationFormat : null;
}
};
return new ExtendedMessageFormat(pattern, locale, new HashMap() { { put("properName", ff); }});
}
public void testProperName() {