/*
* $Header: /home/cvs/jakarta-commons/httpclient/src/java/org/apache/commons/httpclient/Wire.java,v 1.4.2.1 2003/08/27 14:07:00 oglueck Exp $
* $Revision: 1.4.2.1 $
* $Date: 2003/08/27 14:07:00 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [email protected].
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* [Additional notices, if required by prior licensing conditions]
*
*/
package org.apache.commons.httpclient;
import java.io.IOException;
import java.io.InputStream;
import java.io.ByteArrayInputStream;
import java.io.Reader;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Logs data to the wire LOG.
*
* @author <a href="mailto:[email protected]">Oleg Kalnichevski</a>
*
* @since 2.0beta1
*/
class Wire {
/** Log for any wire messages. */
private static final Log WIRE_LOG = LogFactory.getLog("httpclient.wire");
private static void wire(String header, InputStream instream)
throws IOException {
Reader reader = null;
try {
reader = new InputStreamReader(instream, "US-ASCII");
} catch (UnsupportedEncodingException e) {
reader = new InputStreamReader(instream);
}
StringBuffer buffer = new StringBuffer();
int ch;
while ((ch = reader.read()) != -1) {
if (ch == 13) {
buffer.append("[\\r]");
} else if (ch == 10) {
buffer.append("[\\n]\"");
buffer.insert(0, "\"");
buffer.insert(0, header);
WIRE_LOG.debug(buffer.toString());
buffer.setLength(0);
} else if ((ch < 32) || (ch > 127)) {
buffer.append("[0x");
buffer.append(Integer.toHexString(ch));
buffer.append("]");
} else {
buffer.append((char) ch);
}
}
if (buffer.length() > 0) {
buffer.append("\"");
buffer.insert(0, "\"");
buffer.insert(0, header);
WIRE_LOG.debug(buffer.toString());
}
}
public static final boolean enabled() {
return WIRE_LOG.isDebugEnabled();
}
public static final void output(InputStream outstream)
throws IOException {
if (outstream == null) {
throw new IllegalArgumentException("Output may not be null");
}
wire(">> ", outstream);
}
public static final void input(InputStream instream)
throws IOException {
if (instream == null) {
throw new IllegalArgumentException("Input may not be null");
}
wire("<< ", instream);
}
public static final void output(byte[] b, int off, int len)
throws IOException {
if (b == null) {
throw new IllegalArgumentException("Output may not be null");
}
wire(">> ", new ByteArrayInputStream(b, off, len));
}
public static final void input(byte[] b, int off, int len)
throws IOException {
if (b == null) {
throw new IllegalArgumentException("Input may not be null");
}
wire("<< ", new ByteArrayInputStream(b, off, len));
}
public static final void output(byte[] b)
throws IOException {
if (b == null) {
throw new IllegalArgumentException("Output may not be null");
}
wire(">> ", new ByteArrayInputStream(b));
}
public static final void input(byte[] b)
throws IOException {
if (b == null) {
throw new IllegalArgumentException("Input may not be null");
}
wire("<< ", new ByteArrayInputStream(b));
}
public static final void output(int b)
throws IOException {
output(new byte[] {(byte) b});
}
public static final void input(int b)
throws IOException {
input(new byte[] {(byte) b});
}
public static final void output(final String s)
throws IOException {
if (s == null) {
throw new IllegalArgumentException("Output may not be null");
}
output(s.getBytes());
}
public static final void input(final String s)
throws IOException {
if (s == null) {
throw new IllegalArgumentException("Input may not be null");
}
input(s.getBytes());
}
}
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