/**
*
*/
package org.jboss.portletbridge;
import org.jboss.portletbridge.io.FastBufferWriter;
import org.jboss.portletbridge.io.FastBufferOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.Locale;
import javax.portlet.PortletURL;
import javax.portlet.RenderResponse;
public class BufferedRenderResponseWrapper implements RenderResponse {
private static class FastPrintWriter extends PrintWriter {
private final FastBufferWriter fastBufferWriter;
public FastPrintWriter() {
this(new FastBufferWriter());
}
/**
* This is to call only by public default constructor
* @param writer
*/
private FastPrintWriter(FastBufferWriter writer) {
super(writer);
this.fastBufferWriter = writer;
}
public void reset() {
fastBufferWriter.reset();
}
public void writeTo(Writer writer) throws IOException {
fastBufferWriter.writeTo(writer);
}
}
private final RenderResponse renderResponse;
private FastBufferOutputStream fastBufferStream = null;
private BufferedRenderResponseWrapper.FastPrintWriter fastPrintWriter = null;
public BufferedRenderResponseWrapper(RenderResponse renderResponse) {
super();
this.renderResponse = renderResponse;
}
/**
* Jboss portal workaround, implementation of the Dispatcher needs this method
* to get original request.
* @return the renderResponse
*/
public RenderResponse getResponse() {
return renderResponse;
}
/**
* @param arg0
* @param arg1
* @see javax.portlet.PortletResponse#addProperty(java.lang.String, java.lang.String)
*/
public void addProperty(String arg0, String arg1) {
renderResponse.addProperty(arg0, arg1);
}
/**
* @param arg0
* @param arg1
* @see javax.portlet.PortletResponse#setProperty(java.lang.String, java.lang.String)
*/
public void setProperty(String arg0, String arg1) {
renderResponse.setProperty(arg0, arg1);
}
/**
* @param arg0
* @see javax.portlet.RenderResponse#setTitle(java.lang.String)
*/
public void setTitle(String arg0) {
renderResponse.setTitle(arg0);
}
/**
* @return
* @see javax.portlet.RenderResponse#createActionURL()
*/
public PortletURL createActionURL() {
return renderResponse.createActionURL();
}
/**
* @return
* @see javax.portlet.RenderResponse#createRenderURL()
*/
public PortletURL createRenderURL() {
return renderResponse.createRenderURL();
}
/**
* @param arg0
* @return
* @see javax.portlet.PortletResponse#encodeURL(java.lang.String)
*/
public String encodeURL(String arg0) {
return renderResponse.encodeURL(arg0);
}
/**
* @return
* @see javax.portlet.RenderResponse#getCharacterEncoding()
*/
public String getCharacterEncoding() {
return renderResponse.getCharacterEncoding();
}
/**
* @return
* @see javax.portlet.RenderResponse#getContentType()
*/
public String getContentType() {
return renderResponse.getContentType();
}
/**
* @param arg0
* @see javax.portlet.RenderResponse#setContentType(java.lang.String)
*/
public void setContentType(String arg0) {
renderResponse.setContentType(arg0);
}
/**
* @return
* @see javax.portlet.RenderResponse#getLocale()
*/
public Locale getLocale() {
return renderResponse.getLocale();
}
/**
* @return
* @see javax.portlet.RenderResponse#getNamespace()
*/
public String getNamespace() {
return renderResponse.getNamespace();
}
/**
* @return
* @throws IOException
* @see javax.portlet.RenderResponse#getPortletOutputStream()
*/
public OutputStream getPortletOutputStream() throws IOException {
if (fastBufferStream == null) {
fastBufferStream = new FastBufferOutputStream();
}
return fastBufferStream;
}
/**
* @return
* @throws IOException
* @see javax.portlet.RenderResponse#getWriter()
*/
public PrintWriter getWriter() throws IOException {
if (fastPrintWriter == null) {
fastPrintWriter = new FastPrintWriter();
}
return fastPrintWriter;
}
/**
* @return
* @see javax.portlet.RenderResponse#isCommitted()
*/
public boolean isCommitted() {
return renderResponse.isCommitted();
}
private void resetBuffers() {
if (fastBufferStream != null) {
fastBufferStream.reset();
}
if (fastPrintWriter != null) {
fastPrintWriter.reset();
}
}
/**
*
* @see javax.portlet.RenderResponse#reset()
*/
public void reset() {
renderResponse.reset();
resetBuffers();
}
/**
*
* @see javax.portlet.RenderResponse#resetBuffer()
*/
public void resetBuffer() {
renderResponse.resetBuffer();
resetBuffers();
}
/**
* @throws IOException
* @see javax.portlet.RenderResponse#flushBuffer()
*/
public void flushBuffer() throws IOException {
renderResponse.flushBuffer();
}
/**
* @param arg0
* @see javax.portlet.RenderResponse#setBufferSize(int)
*/
public void setBufferSize(int arg0) {
renderResponse.setBufferSize(arg0);
}
/**
* @return
* @see javax.portlet.RenderResponse#getBufferSize()
*/
public int getBufferSize() {
return renderResponse.getBufferSize();
}
public void writeBufferedData() throws IOException {
if (fastBufferStream != null) {
fastBufferStream.writeTo(renderResponse.getPortletOutputStream());
} else if (fastPrintWriter != null) {
fastPrintWriter.writeTo(renderResponse.getWriter());
}
}
public boolean isUseWriter() {
return fastBufferStream == null;
}
}