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improve camelcache and underscore conversion

This commit is contained in:
kimchy 2010-04-09 03:29:58 +03:00
parent 2fd36fdbf8
commit daac94092c
3 changed files with 54 additions and 22 deletions
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52
modules/elasticsearch/src/main/java/org/elasticsearch/util/Strings.java
View File

@ -1167,27 +1167,53 @@ public class Strings {
public static String toCamelCase(String value) {
StringBuilder sb = new StringBuilder();
char[] values = value.toCharArray();
for (int i = 0; i < values.length; i++) {
if (values[i] == '_') {
sb.append(Character.toUpperCase(values[++i]));
} else {
sb.append(values[i]);
boolean changed = false;
for (int i = 0; i < value.length(); i++) {
char c = value.charAt(i);
if (c == '_') {
if (!changed) {
// copy it over here
for (int j = 0; j < i; j++) {
sb.append(value.charAt(j));
}
changed = true;
}
sb.append(Character.toUpperCase(value.charAt(++i)));
} else {
if (changed) {
sb.append(c);
}
}
}
if (!changed) {
return value;
}
return sb.toString();
}
public static String toUnderscoreCase(String value) {
StringBuilder sb = new StringBuilder();
char[] values = value.toCharArray();
for (int i = 0; i < values.length; i++) {
if (Character.isUpperCase(values[i])) {
sb.append('_');
sb.append(Character.toLowerCase(values[i]));
} else {
sb.append(values[i]);
boolean changed = false;
for (int i = 0; i < value.length(); i++) {
char c = value.charAt(i);
if (Character.isUpperCase(c)) {
if (!changed) {
// copy it over here
for (int j = 0; j < i; j++) {
sb.append(value.charAt(j));
}
changed = true;
}
sb.append('_');
sb.append(Character.toLowerCase(c));
} else {
if (changed) {
sb.append(c);
}
}
}
if (!changed) {
return value;
}
return sb.toString();
}

24
modules/elasticsearch/src/main/java/org/elasticsearch/util/json/JsonBuilder.java
View File

@ -118,7 +118,7 @@ public abstract class JsonBuilder<T extends JsonBuilder> {
}
public T field(String name, char[] value, int offset, int length) throws IOException {
generator.writeFieldName(name);
field(name);
if (value == null) {
generator.writeNull();
} else {
@ -128,7 +128,7 @@ public abstract class JsonBuilder<T extends JsonBuilder> {
}
public T field(String name, String value) throws IOException {
generator.writeFieldName(name);
field(name);
if (value == null) {
generator.writeNull();
} else {
@ -142,7 +142,7 @@ public abstract class JsonBuilder<T extends JsonBuilder> {
}
public T field(String name, int value) throws IOException {
generator.writeFieldName(name);
field(name);
generator.writeNumber(value);
return builder;
}
@ -152,7 +152,7 @@ public abstract class JsonBuilder<T extends JsonBuilder> {
}
public T field(String name, long value) throws IOException {
generator.writeFieldName(name);
field(name);
generator.writeNumber(value);
return builder;
}
@ -162,7 +162,7 @@ public abstract class JsonBuilder<T extends JsonBuilder> {
}
public T field(String name, float value) throws IOException {
generator.writeFieldName(name);
field(name);
generator.writeNumber(value);
return builder;
}
@ -173,7 +173,7 @@ public abstract class JsonBuilder<T extends JsonBuilder> {
}
public T field(String name, double value) throws IOException {
generator.writeFieldName(name);
field(name);
generator.writeNumber(value);
return builder;
}
@ -209,34 +209,34 @@ public abstract class JsonBuilder<T extends JsonBuilder> {
}
public T field(String name, boolean value) throws IOException {
generator.writeFieldName(name);
field(name);
generator.writeBoolean(value);
return builder;
}
public T field(String name, byte[] value) throws IOException {
generator.writeFieldName(name);
field(name);
generator.writeBinary(value);
return builder;
}
public T field(String name, ReadableInstant date) throws IOException {
generator.writeFieldName(name);
field(name);
return value(date);
}
public T field(String name, ReadableInstant date, DateTimeFormatter formatter) throws IOException {
generator.writeFieldName(name);
field(name);
return value(date, formatter);
}
public T field(String name, Date date) throws IOException {
generator.writeFieldName(name);
field(name);
return value(date);
}
public T field(String name, Date date, DateTimeFormatter formatter) throws IOException {
generator.writeFieldName(name);
field(name);
return value(date, formatter);
}

6
modules/elasticsearch/src/test/java/org/elasticsearch/util/StringsTests.java
View File

@ -34,10 +34,16 @@ public class StringsTests {
@Test public void testCamelCase() {
assertThat(toCamelCase("test_value"), equalTo("testValue"));
String testValue = "testValue";
assertThat(toCamelCase(testValue), equalTo(testValue));
assertThat(toCamelCase(testValue), sameInstance(testValue));
}
@Test public void testUnderscoreCase() {
assertThat(toUnderscoreCase("testValue"), equalTo("test_value"));
String testValue = "test_value";
assertThat(toUnderscoreCase(testValue), equalTo(testValue));
assertThat(toUnderscoreCase(testValue), sameInstance(testValue));
}
// @Test public void testHasTextBlank() throws Exception {