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/* Generated by AspectJ version 1.0.5 */
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package org.apache.cactus.client;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import java.io.BufferedReader;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.net.HttpURLConnection;
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import java.net.ProtocolException;
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import java.net.URL;
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import java.security.Permission;
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/**
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* Wrapper class for the real <code>HttpURLConnection</code> to the test servlet
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* that reads the complete input stream into an internal buffer on
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* the first call to getInputStream(). This is to ensure that the test servlet
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* is not blocked on i/o when the test caller asks for the results.
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* <p>
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* The wrapper returns the buffered input stream from getInputStream and
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* delegates the rest of the calls.
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* <p>
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* This class is final so we don't have to provide access to protected instance
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* variables and methods of the wrapped connection.
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*
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* @author <a href="mailto:Bob.Davison@reuters.com">Bob Davison</a>
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* @author <a href="mailto:vmassol@apache.org">Vincent Massol</a>
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*
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* @version $Id: AutoReadHttpURLConnection.java,v 1.4 2002/07/22 12:26:04 vmassol Exp $
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*/
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final class AutoReadHttpURLConnection extends HttpURLConnection {
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/**
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* The logger
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*/
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private static Log LOGGER;
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/**
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* Default size of array for copying data.
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*/
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private static final int DEFAULT_CHUNK_SIZE = 16384;
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/**
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* The wrapped connection.
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*/
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private HttpURLConnection delegate;
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/**
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* The read input stream.
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*/
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private InputStream streamBuffer;
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/**
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* Constructs a an <code>AutoReadHttpURLConnection</code> object from an
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* <code>HttpURLConnection</code>.
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*
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* @param theConnection the original connection to wrap
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*/
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AutoReadHttpURLConnection(HttpURLConnection theConnection) {
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super(null);
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;
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this.delegate = theConnection;
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}
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/**
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* Returns an input stream containing the fully read contents of
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* the wrapped connection's input stream
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*
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* @return the input stream
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* @exception IOException if an error occurs when reading the input stream
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*/
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public synchronized InputStream getInputStream() throws IOException {
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try {
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if (this.streamBuffer == null) {
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AutoReadHttpURLConnection.LOGGER.debug("Original connection = " + this.delegate);
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InputStream is = this.delegate.getInputStream();
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this.streamBuffer = this.getBufferedInputStream(is);
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}
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} catch (IOException e) {
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this.logErrorStream(this.delegate.getErrorStream());
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throw e;
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}
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return this.streamBuffer;
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}
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/**
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* Logs the HTTP error stream (used to get more information when we fail
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* to read from the HTTP URL connection).
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*
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* @param theErrorStream the error stream containing the error description
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* @exception IOException if an error occurs when reading the input stream
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*/
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private void logErrorStream(InputStream theErrorStream) throws IOException {
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if (theErrorStream != null) {
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BufferedReader errorStream = new BufferedReader(new InputStreamReader(theErrorStream));
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String buffer;
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while ((buffer = errorStream.readLine()) != null){
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AutoReadHttpURLConnection.LOGGER.debug("ErrorStream [" + buffer + "]");
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}
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}
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}
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/**
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* Fully read the HTTP Connection response stream until there is no
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* more bytes to read.
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*
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* @param theInputStream the input stream to fully read
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* @return the data read as a buffered input stream
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* @exception IOException if an error occurs when reading the input stream
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*/
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private InputStream getBufferedInputStream(InputStream theInputStream) throws IOException {
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ByteArrayOutputStream os = new ByteArrayOutputStream(16384);
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this.copy(theInputStream, os);
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ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray());
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return bais;
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}
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/**
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* Copies the input stream passed as parameter to the output stream also
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* passed as parameter. The full stream is read until there is no more
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* bytes to read.
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*
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* @param theInputStream the input stream to read from
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* @param theOutputStream the output stream to write to
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* @exception IOException if an error occurs when reading the input stream
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*/
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private void copy(InputStream theInputStream, OutputStream theOutputStream) throws IOException {
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AutoReadHttpURLConnection.LOGGER.debug("Content-Length : [" + this.delegate.getContentLength()
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+ "]");
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if (this.delegate.getContentLength() != 0) {
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byte[] buf = new byte[16384];
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int count;
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while (-1 != (count = theInputStream.read(buf))){
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this.printReadLogs(count, buf);
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theOutputStream.write(buf, 0, count);
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}
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}
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}
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/**
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* Format log data read from socket for pretty printing (replaces
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* asc char 10 by "\r", asc char 13 by "\n").
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*
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* @param theCount the number of bytes read in the buffer
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* @param theBuffer the buffer containing the data to print
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*/
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private void printReadLogs(int theCount, byte[] theBuffer) {
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StringBuffer prefix = new StringBuffer();
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for (int i = 0; i < theCount; i++) {
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if (theBuffer[i] == 10) {
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prefix.append("\\r");
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} else if (theBuffer[i] == 13) {
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prefix.append("\\n");
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} else {
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prefix.append((char)theBuffer[i]);
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}
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}
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AutoReadHttpURLConnection.LOGGER.debug("Read [" + theCount + "]: [" + prefix + "]");
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}
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/**
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* @see java.net.HttpURLConnection#connect()
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*/
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public void connect() throws IOException {
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this.delegate.connect();
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}
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/**
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* @see java.net.HttpURLConnection#getAllowUserInteraction()
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*/
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public boolean getAllowUserInteraction() {
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return this.delegate.getAllowUserInteraction();
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}
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/**
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* @see java.net.HttpURLConnection#getContent()
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*/
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public Object getContent() throws IOException {
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return this.delegate.getContent();
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}
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/**
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* @see java.net.HttpURLConnection#getContentEncoding()
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*/
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public String getContentEncoding() {
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return this.delegate.getContentEncoding();
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}
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/**
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* @see java.net.HttpURLConnection#getContentLength()
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*/
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public int getContentLength() {
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return this.delegate.getContentLength();
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}
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/**
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* @see java.net.HttpURLConnection#getContentType()
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*/
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public String getContentType() {
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return this.delegate.getContentType();
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}
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/**
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* @see java.net.HttpURLConnection#getDate()
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*/
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public long getDate() {
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return this.delegate.getDate();
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}
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/**
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* @see java.net.HttpURLConnection#getDefaultUseCaches()
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*/
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public boolean getDefaultUseCaches() {
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return this.delegate.getDefaultUseCaches();
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}
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/**
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* @see java.net.HttpURLConnection#getDoInput()
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*/
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public boolean getDoInput() {
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return this.delegate.getDoInput();
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}
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/**
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* @see java.net.HttpURLConnection#getDoOutput()
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*/
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public boolean getDoOutput() {
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return this.delegate.getDoOutput();
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}
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/**
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* @see java.net.HttpURLConnection#getExpiration()
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*/
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public long getExpiration() {
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return this.delegate.getExpiration();
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}
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/**
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* @see java.net.HttpURLConnection#getHeaderField(int)
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*/
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public String getHeaderField(int thePosition) {
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return this.delegate.getHeaderField(thePosition);
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}
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/**
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* @see java.net.HttpURLConnection#getHeaderField(String)
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*/
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public String getHeaderField(String theName) {
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return this.delegate.getHeaderField(theName);
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}
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/**
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* @see java.net.HttpURLConnection#getHeaderFieldDate(String, long)
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*/
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public long getHeaderFieldDate(String theName, long theDefaultValue) {
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return this.delegate.getHeaderFieldDate(theName, theDefaultValue);
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}
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/**
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* @see java.net.HttpURLConnection#getHeaderFieldInt(String, int)
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*/
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public int getHeaderFieldInt(String theName, int theDefaultValue) {
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return this.delegate.getHeaderFieldInt(theName, theDefaultValue);
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}
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/**
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* @see java.net.HttpURLConnection#getHeaderFieldKey(int)
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*/
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public String getHeaderFieldKey(int thePosition) {
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return this.delegate.getHeaderFieldKey(thePosition);
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}
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/**
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* @see java.net.HttpURLConnection#getIfModifiedSince()
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*/
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public long getIfModifiedSince() {
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return this.delegate.getIfModifiedSince();
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}
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/**
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* @see java.net.HttpURLConnection#getLastModified()
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*/
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public long getLastModified() {
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return this.delegate.getLastModified();
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}
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/**
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* @see java.net.HttpURLConnection#getOutputStream()
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*/
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public OutputStream getOutputStream() throws IOException {
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return this.delegate.getOutputStream();
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}
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/**
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* @see java.net.HttpURLConnection#getPermission()
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*/
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public Permission getPermission() throws IOException {
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return this.delegate.getPermission();
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}
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/**
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* @see java.net.HttpURLConnection#getRequestProperty(String)
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*/
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public String getRequestProperty(String theKey) {
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return this.delegate.getRequestProperty(theKey);
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}
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/**
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* @see java.net.HttpURLConnection#getURL()
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*/
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public URL getURL() {
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return this.delegate.getURL();
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}
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/**
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* @see java.net.HttpURLConnection#getUseCaches()
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*/
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public boolean getUseCaches() {
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return this.delegate.getUseCaches();
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}
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/**
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* @see java.net.HttpURLConnection#setAllowUserInteraction(boolean)
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*/
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public void setAllowUserInteraction(boolean hasInteraction) {
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this.delegate.setAllowUserInteraction(hasInteraction);
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}
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/**
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* @see java.net.HttpURLConnection#setDefaultUseCaches(boolean)
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*/
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public void setDefaultUseCaches(boolean isUsingDefaultCache) {
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this.delegate.setDefaultUseCaches(isUsingDefaultCache);
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}
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/**
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* @see java.net.HttpURLConnection#setDoInput(boolean)
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*/
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public void setDoInput(boolean isInput) {
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0
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this.delegate.setDoInput(isInput);
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}
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/**
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* @see java.net.HttpURLConnection#setDoOutput(boolean)
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*/
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0
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public void setDoOutput(boolean isOutput) {
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0
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this.delegate.setDoOutput(isOutput);
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}
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/**
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* @see java.net.HttpURLConnection#setIfModifiedSince(long)
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*/
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0
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public void setIfModifiedSince(long isModifiedSince) {
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351
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0
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this.delegate.setIfModifiedSince(isModifiedSince);
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}
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353
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/**
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* @see java.net.HttpURLConnection#setRequestProperty(String, String)
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*/
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0
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public void setRequestProperty(String theKey, String theValue) {
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0
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this.delegate.setRequestProperty(theKey, theValue);
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}
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361
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/**
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* @see java.net.HttpURLConnection#setUseCaches(boolean)
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363
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*/
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364
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0
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public void setUseCaches(boolean isUsingCaches) {
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365
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0
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this.delegate.setUseCaches(isUsingCaches);
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366
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}
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368
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/**
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* @see java.net.HttpURLConnection#toString()
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*/
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371
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0
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public String toString() {
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372
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0
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return this.delegate.toString();
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}
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/**
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376
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* @see java.net.HttpURLConnection#disconnect()
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377
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*/
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378
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0
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public void disconnect() {
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379
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0
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this.delegate.disconnect();
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380
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}
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381
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382
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/**
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383
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* @see java.net.HttpURLConnection#getErrorStream()
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384
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*/
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385
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0
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public InputStream getErrorStream() {
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386
|
0
|
return this.delegate.getErrorStream();
|
387
|
|
}
|
388
|
|
|
389
|
|
/**
|
390
|
|
* @see java.net.HttpURLConnection#getRequestMethod()
|
391
|
|
*/
|
392
|
0
|
public String getRequestMethod() {
|
393
|
0
|
return this.delegate.getRequestMethod();
|
394
|
|
}
|
395
|
|
|
396
|
|
/**
|
397
|
|
* @see java.net.HttpURLConnection#getResponseCode()
|
398
|
|
*/
|
399
|
6
|
public int getResponseCode() throws IOException {
|
400
|
6
|
return this.delegate.getResponseCode();
|
401
|
|
}
|
402
|
|
|
403
|
|
/**
|
404
|
|
* @see java.net.HttpURLConnection#getResponseMessage()
|
405
|
|
*/
|
406
|
0
|
public String getResponseMessage() throws IOException {
|
407
|
0
|
return this.delegate.getResponseMessage();
|
408
|
|
}
|
409
|
|
|
410
|
|
/**
|
411
|
|
* @see java.net.HttpURLConnection#setRequestMethod(String)
|
412
|
|
*/
|
413
|
0
|
public void setRequestMethod(String theMethod) throws ProtocolException {
|
414
|
0
|
this.delegate.setRequestMethod(theMethod);
|
415
|
|
}
|
416
|
|
|
417
|
|
/**
|
418
|
|
* @see java.net.HttpURLConnection#usingProxy()
|
419
|
|
*/
|
420
|
0
|
public boolean usingProxy() {
|
421
|
0
|
return this.delegate.usingProxy();
|
422
|
|
}
|
423
|
|
|
424
|
|
/**
|
425
|
|
* Wrapper class for the real <code>HttpURLConnection</code> to the test servlet
|
426
|
|
* that reads the complete input stream into an internal buffer on
|
427
|
|
* the first call to getInputStream(). This is to ensure that the test servlet
|
428
|
|
* is not blocked on i/o when the test caller asks for the results.
|
429
|
|
* <p>
|
430
|
|
* The wrapper returns the buffered input stream from getInputStream and
|
431
|
|
* delegates the rest of the calls.
|
432
|
|
* <p>
|
433
|
|
* This class is final so we don't have to provide access to protected instance
|
434
|
|
* variables and methods of the wrapped connection.
|
435
|
|
*
|
436
|
|
* @author <a href="mailto:Bob.Davison@reuters.com">Bob Davison</a>
|
437
|
|
* @author <a href="mailto:vmassol@apache.org">Vincent Massol</a>
|
438
|
|
*
|
439
|
|
* @version $Id: AutoReadHttpURLConnection.java,v 1.4 2002/07/22 12:26:04 vmassol Exp $
|
440
|
|
*/
|
441
|
|
static {
|
442
|
|
/**
|
443
|
|
* The logger
|
444
|
|
*/
|
445
|
6
|
AutoReadHttpURLConnection.LOGGER = LogFactory.getLog(AutoReadHttpURLConnection.class);
|
446
|
|
}
|
447
|
|
|
448
|
|
}
|