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Core ACS AEM Commons OSGi Bundle. Includes commons utilities.
/*
* #%L
* ACS AEM Commons Bundle
* %%
* Copyright (C) 2014 Adobe
* %%
* Licensed 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.
* #L%
*/
package com.adobe.acs.commons.util;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletResponseWrapper;
import org.osgi.annotation.versioning.ProviderType;
/**
* Generic HttpServletResponseWrapper which will buffer the output content
* to a buffer. Only
* @deprecated Rather use {@link BufferedHttpServletResponse}
*/
@Deprecated
@ProviderType
public final class BufferingResponse extends HttpServletResponseWrapper {
private StringWriter stringWriter;
private boolean outputStreamGotten;
public BufferingResponse(final HttpServletResponse response) {
super(response);
}
@Override
public void resetBuffer() {
if (this.stringWriter != null) {
this.stringWriter = new StringWriter();
}
super.resetBuffer();
}
@Override
public ServletOutputStream getOutputStream() throws IOException {
if (this.stringWriter != null) {
throw new IllegalStateException("Cannot invoke getOutputStream() once getWriter() has been called.");
}
ServletOutputStream os = super.getOutputStream();
outputStreamGotten = true;
return os;
}
public PrintWriter getWriter() throws IOException {
if (outputStreamGotten) {
throw new IllegalStateException("Cannot invoke getWriter once getOutputStream has been called.");
}
if (stringWriter == null) {
stringWriter = new StringWriter();
}
return new PrintWriter(stringWriter);
}
public String getContents() {
if (this.stringWriter != null) {
return this.stringWriter.toString();
}
return null;
}
}