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NetscapeDraftHeaderParser to use TokenParser from core internally 

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1626680 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Oleg Kalnichevski 2014-09-22 07:33:12 +00:00
parent 90c97da9b8
commit 0739770c15
1 changed files with 21 additions and 57 deletions
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78
httpclient/src/main/java/org/apache/http/impl/cookie/NetscapeDraftHeaderParser.java
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@ -28,6 +28,7 @@
package org.apache.http.impl.cookie; package org.apache.http.impl.cookie;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.BitSet;
import java.util.List; import java.util.List;
import org.apache.http.HeaderElement; import org.apache.http.HeaderElement;
@ -37,7 +38,7 @@ import org.apache.http.annotation.Immutable;
import org.apache.http.message.BasicHeaderElement; import org.apache.http.message.BasicHeaderElement;
import org.apache.http.message.BasicNameValuePair; import org.apache.http.message.BasicNameValuePair;
import org.apache.http.message.ParserCursor; import org.apache.http.message.ParserCursor;
import org.apache.http.protocol.HTTP; import org.apache.http.message.TokenParser;
import org.apache.http.util.Args; import org.apache.http.util.Args;
import org.apache.http.util.CharArrayBuffer; import org.apache.http.util.CharArrayBuffer;
@ -50,8 +51,18 @@ public class NetscapeDraftHeaderParser {
public final static NetscapeDraftHeaderParser DEFAULT = new NetscapeDraftHeaderParser(); public final static NetscapeDraftHeaderParser DEFAULT = new NetscapeDraftHeaderParser();
private final static char PARAM_DELIMITER = ';';
// IMPORTANT!
// These private static variables must be treated as immutable and never exposed outside this class
private static final BitSet TOKEN_DELIMS = TokenParser.INIT_BITSET('=', PARAM_DELIMITER);
private static final BitSet VALUE_DELIMS = TokenParser.INIT_BITSET(PARAM_DELIMITER);
private final TokenParser tokenParser;
public NetscapeDraftHeaderParser() { public NetscapeDraftHeaderParser() {
super(); super();
this.tokenParser = TokenParser.INSTANCE;
} }
public HeaderElement parseHeader( public HeaderElement parseHeader(
@ -72,66 +83,19 @@ public class NetscapeDraftHeaderParser {
private NameValuePair parseNameValuePair( private NameValuePair parseNameValuePair(
final CharArrayBuffer buffer, final ParserCursor cursor) { final CharArrayBuffer buffer, final ParserCursor cursor) {
boolean terminated = false; final String name = tokenParser.parseToken(buffer, cursor, TOKEN_DELIMS);
if (cursor.atEnd()) {
int pos = cursor.getPos();
final int indexFrom = cursor.getPos();
final int indexTo = cursor.getUpperBound();
// Find name
String name = null;
while (pos < indexTo) {
final char ch = buffer.charAt(pos);
if (ch == '=') {
break;
}
if (ch == ';') {
terminated = true;
break;
}
pos++;
}
if (pos == indexTo) {
terminated = true;
name = buffer.substringTrimmed(indexFrom, indexTo);
} else {
name = buffer.substringTrimmed(indexFrom, pos);
pos++;
}
if (terminated) {
cursor.updatePos(pos);
return new BasicNameValuePair(name, null); return new BasicNameValuePair(name, null);
} }
final int delim = buffer.charAt(cursor.getPos());
// Find value cursor.updatePos(cursor.getPos() + 1);
String value = null; if (delim != '=') {
int i1 = pos; return new BasicNameValuePair(name, null);
while (pos < indexTo) {
final char ch = buffer.charAt(pos);
if (ch == ';') {
terminated = true;
break;
} }
pos++; final String value = tokenParser.parseToken(buffer, cursor, VALUE_DELIMS);
if (!cursor.atEnd()) {
cursor.updatePos(cursor.getPos() + 1);
} }
int i2 = pos;
// Trim leading white spaces
while (i1 < i2 && (HTTP.isWhitespace(buffer.charAt(i1)))) {
i1++;
}
// Trim trailing white spaces
while ((i2 > i1) && (HTTP.isWhitespace(buffer.charAt(i2 - 1)))) {
i2--;
}
value = buffer.substring(i1, i2);
if (terminated) {
pos++;
}
cursor.updatePos(pos);
return new BasicNameValuePair(name, value); return new BasicNameValuePair(name, value);
} }