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JsonPrettyGeneratorImpl.java
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JsonPrettyGeneratorImpl.java
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/*
* Copyright (c) 2012, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.json;
import org.glassfish.json.api.BufferPool;
import jakarta.json.stream.JsonGenerator;
import java.io.OutputStream;
import java.io.Writer;
import java.nio.charset.Charset;
/**
* @author Jitendra Kotamraju
*/
public class JsonPrettyGeneratorImpl extends JsonGeneratorImpl {
private int indentLevel;
private static final String INDENT = " ";
public JsonPrettyGeneratorImpl(Writer writer, BufferPool bufferPool) {
super(writer, bufferPool);
}
public JsonPrettyGeneratorImpl(OutputStream out, BufferPool bufferPool) {
super(out, bufferPool);
}
public JsonPrettyGeneratorImpl(OutputStream out, Charset encoding, BufferPool bufferPool) {
super(out, encoding, bufferPool);
}
@Override
public JsonGenerator writeStartObject() {
super.writeStartObject();
indentLevel++;
return this;
}
@Override
public JsonGenerator writeStartObject(String name) {
super.writeStartObject(name);
indentLevel++;
return this;
}
@Override
public JsonGenerator writeStartArray() {
super.writeStartArray();
indentLevel++;
return this;
}
@Override
public JsonGenerator writeStartArray(String name) {
super.writeStartArray(name);
indentLevel++;
return this;
}
@Override
public JsonGenerator writeEnd() {
writeNewLine();
indentLevel--;
writeIndent();
super.writeEnd();
return this;
}
private void writeIndent() {
for(int i=0; i < indentLevel; i++) {
writeString(INDENT);
}
}
@Override
protected void writeComma() {
super.writeComma();
if (isCommaAllowed() && !inNone()) {
writeChar('\n');
writeIndent();
}
}
@Override
protected void writeColon() {
super.writeColon();
writeChar(' ');
}
private void writeNewLine() {
writeChar('\n');
}
}