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/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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/>.
*
*/
package ch.boye.httpclientandroidlib.impl.conn;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import ch.boye.httpclientandroidlib.androidextra.HttpClientAndroidLog;
import ch.boye.httpclientandroidlib.annotation.Immutable;
import ch.boye.httpclientandroidlib.util.Args;
/**
* Logs data to the wire LOG.
* TODO: make package private. Should not be part of the public API.
*
* @since 4.0
*/
@Immutable
public class Wire {
public HttpClientAndroidLog log;
private final String id;
/**
* @since 4.3
*/
public Wire(final HttpClientAndroidLog log, final String id) {
this.log = log;
this.id = id;
}
public Wire(final HttpClientAndroidLog log) {
this(log, "");
}
private void wire(final String header, final InputStream instream)
throws IOException {
final StringBuilder buffer = new StringBuilder();
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(id + " " + 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(id + " " + buffer.toString());
}
}
public boolean enabled() {
return log.isDebugEnabled();
}
public void output(final InputStream outstream)
throws IOException {
Args.notNull(outstream, "Output");
wire(">> ", outstream);
}
public void input(final InputStream instream)
throws IOException {
Args.notNull(instream, "Input");
wire("<< ", instream);
}
public void output(final byte[] b, final int off, final int len)
throws IOException {
Args.notNull(b, "Output");
wire(">> ", new ByteArrayInputStream(b, off, len));
}
public void input(final byte[] b, final int off, final int len)
throws IOException {
Args.notNull(b, "Input");
wire("<< ", new ByteArrayInputStream(b, off, len));
}
public void output(final byte[] b)
throws IOException {
Args.notNull(b, "Output");
wire(">> ", new ByteArrayInputStream(b));
}
public void input(final byte[] b)
throws IOException {
Args.notNull(b, "Input");
wire("<< ", new ByteArrayInputStream(b));
}
public void output(final int b)
throws IOException {
output(new byte[] {(byte) b});
}
public void input(final int b)
throws IOException {
input(new byte[] {(byte) b});
}
public void output(final String s)
throws IOException {
Args.notNull(s, "Output");
output(s.getBytes());
}
public void input(final String s)
throws IOException {
Args.notNull(s, "Input");
input(s.getBytes());
}
}
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