- /*
- * $Header: /home/cvs/jakarta-commons/httpclient/src/java/org/apache/commons/httpclient/Wire.java,v 1.9 2004/06/24 21:39:52 mbecke Exp $
- * $Revision: 1.9 $
- * $Date: 2004/06/24 21:39:52 $
- *
- * ====================================================================
- *
- * 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/>.
- *
- */
-
- 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:oleg@ural.ru">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"));
-
- /** Log for any wire messages. */
- 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());
- }
- }