/*
* 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.sling.testing.mock.sling.servlet;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import javax.servlet.ServletOutputStream;
/**
* Manage response body content.
*/
class ResponseBodySupport {
private ByteArrayOutputStream outputStream;
private ServletOutputStream servletOutputStream;
private PrintWriter printWriter;
public ResponseBodySupport() {
reset();
}
public void reset() {
outputStream = new ByteArrayOutputStream();
servletOutputStream = null;
printWriter = null;
}
public ServletOutputStream getOutputStream() {
if (servletOutputStream == null) {
servletOutputStream = new ServletOutputStream() {
@Override
public void write(int b) throws IOException {
outputStream.write(b);
}
};
}
return servletOutputStream;
}
public PrintWriter getWriter(String charset) {
if (printWriter == null) {
try {
printWriter = new PrintWriter(new OutputStreamWriter(getOutputStream(), charset));
} catch (UnsupportedEncodingException ex) {
throw new RuntimeException("Unsupported encoding: " + charset, ex);
}
}
return printWriter;
}
public byte[] getOutput() {
if (servletOutputStream != null) {
try {
servletOutputStream.flush();
} catch (IOException ex) {
// ignore
}
}
return outputStream.toByteArray();
}
public String getOutputAsString(String charset) {
if (printWriter != null) {
printWriter.flush();
}
try {
return new String(getOutput(), charset);
} catch (UnsupportedEncodingException ex) {
throw new RuntimeException("Unsupported encoding: " + charset, ex);
}
}
}