/*
* $Header: /home/cvs/jakarta-commons/httpclient/src/java/org/apache/commons/httpclient/Wire.java,v 1.4.2.4 2004/06/25 03:27:40 mbecke Exp $
* $Revision: 1.4.2.4 $
* $Date: 2004/06/25 03:27:40 $
*
* ====================================================================
*
* Copyright 1999-2004 The Apache Software Foundation
*
* 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.
* ====================================================================
*
* 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 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 {
public static Wire HEADER_WIRE = new Wire(LogFactory.getLog("httpclient.wire.header"));
public static Wire CONTENT_WIRE = new Wire(LogFactory.getLog("httpclient.wire.content"));
private Log log;
private Wire(Log log) {
this.log = log;
}
private void wire(String header, InputStream instream)
throws IOException {
StringBuffer buffer = new StringBuffer();
int ch;
while ((ch = instream.read()) != -1) {
if (ch == 13) {
buffer.append("[\\r]");
} else if (ch == 10) {
buffer.append("[\\n]\"");
buffer.insert(0, "\"");
buffer.insert(0, header);
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);
log.debug(buffer.toString());
}
}
public boolean enabled() {
return log.isDebugEnabled();
}
public void output(InputStream outstream)
throws IOException {
if (outstream == null) {
throw new IllegalArgumentException("Output may not be null");
}
wire(">> ", outstream);
}
public void input(InputStream instream)
throws IOException {
if (instream == null) {
throw new IllegalArgumentException("Input may not be null");
}
wire("<< ", instream);
}
public 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 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 void output(byte[] b)
throws IOException {
if (b == null) {
throw new IllegalArgumentException("Output may not be null");
}
wire(">> ", new ByteArrayInputStream(b));
}
public void input(byte[] b)
throws IOException {
if (b == null) {
throw new IllegalArgumentException("Input may not be null");
}
wire("<< ", new ByteArrayInputStream(b));
}
public void output(int b)
throws IOException {
output(new byte[] {(byte) b});
}
public void input(int b)
throws IOException {
input(new byte[] {(byte) b});
}
public void output(final String s)
throws IOException {
if (s == null) {
throw new IllegalArgumentException("Output may not be null");
}
output(s.getBytes());
}
public 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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