Source Code Cross Referenced for Wire.java in  » Net » Apache-common-HttpClient » org » apache » commons » httpclient » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Net » Apache common HttpClient » org.apache.commons.httpclient 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/java/org/apache/commons/httpclient/Wire.java,v 1.9 2004/06/24 21:39:52 mbecke Exp $
003:         * $Revision: 480424 $
004:         * $Date: 2006-11-29 06:56:49 +0100 (Wed, 29 Nov 2006) $
005:         *
006:         * ====================================================================
007:         *
008:         *  Licensed to the Apache Software Foundation (ASF) under one or more
009:         *  contributor license agreements.  See the NOTICE file distributed with
010:         *  this work for additional information regarding copyright ownership.
011:         *  The ASF licenses this file to You under the Apache License, Version 2.0
012:         *  (the "License"); you may not use this file except in compliance with
013:         *  the License.  You may obtain a copy of the License at
014:         *
015:         *      http://www.apache.org/licenses/LICENSE-2.0
016:         *
017:         *  Unless required by applicable law or agreed to in writing, software
018:         *  distributed under the License is distributed on an "AS IS" BASIS,
019:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
020:         *  See the License for the specific language governing permissions and
021:         *  limitations under the License.
022:         * ====================================================================
023:         *
024:         * This software consists of voluntary contributions made by many
025:         * individuals on behalf of the Apache Software Foundation.  For more
026:         * information on the Apache Software Foundation, please see
027:         * <http://www.apache.org/>.
028:         *
029:         */
030:
031:        package org.apache.commons.httpclient;
032:
033:        import java.io.IOException;
034:        import java.io.InputStream;
035:        import java.io.ByteArrayInputStream;
036:        import org.apache.commons.logging.Log;
037:        import org.apache.commons.logging.LogFactory;
038:
039:        /**
040:         * Logs data to the wire LOG.
041:         *
042:         * @author <a href="mailto:oleg@ural.ru">Oleg Kalnichevski</a>
043:         * 
044:         * @since 2.0beta1
045:         */
046:        class Wire {
047:
048:            public static Wire HEADER_WIRE = new Wire(LogFactory
049:                    .getLog("httpclient.wire.header"));
050:
051:            public static Wire CONTENT_WIRE = new Wire(LogFactory
052:                    .getLog("httpclient.wire.content"));
053:
054:            /** Log for any wire messages. */
055:            private Log log;
056:
057:            private Wire(Log log) {
058:                this .log = log;
059:            }
060:
061:            private void wire(String header, InputStream instream)
062:                    throws IOException {
063:                StringBuffer buffer = new StringBuffer();
064:                int ch;
065:                while ((ch = instream.read()) != -1) {
066:                    if (ch == 13) {
067:                        buffer.append("[\\r]");
068:                    } else if (ch == 10) {
069:                        buffer.append("[\\n]\"");
070:                        buffer.insert(0, "\"");
071:                        buffer.insert(0, header);
072:                        log.debug(buffer.toString());
073:                        buffer.setLength(0);
074:                    } else if ((ch < 32) || (ch > 127)) {
075:                        buffer.append("[0x");
076:                        buffer.append(Integer.toHexString(ch));
077:                        buffer.append("]");
078:                    } else {
079:                        buffer.append((char) ch);
080:                    }
081:                }
082:                if (buffer.length() > 0) {
083:                    buffer.append("\"");
084:                    buffer.insert(0, "\"");
085:                    buffer.insert(0, header);
086:                    log.debug(buffer.toString());
087:                }
088:            }
089:
090:            public boolean enabled() {
091:                return log.isDebugEnabled();
092:            }
093:
094:            public void output(InputStream outstream) throws IOException {
095:                if (outstream == null) {
096:                    throw new IllegalArgumentException("Output may not be null");
097:                }
098:                wire(">> ", outstream);
099:            }
100:
101:            public void input(InputStream instream) throws IOException {
102:                if (instream == null) {
103:                    throw new IllegalArgumentException("Input may not be null");
104:                }
105:                wire("<< ", instream);
106:            }
107:
108:            public void output(byte[] b, int off, int len) throws IOException {
109:                if (b == null) {
110:                    throw new IllegalArgumentException("Output may not be null");
111:                }
112:                wire(">> ", new ByteArrayInputStream(b, off, len));
113:            }
114:
115:            public void input(byte[] b, int off, int len) throws IOException {
116:                if (b == null) {
117:                    throw new IllegalArgumentException("Input may not be null");
118:                }
119:                wire("<< ", new ByteArrayInputStream(b, off, len));
120:            }
121:
122:            public void output(byte[] b) throws IOException {
123:                if (b == null) {
124:                    throw new IllegalArgumentException("Output may not be null");
125:                }
126:                wire(">> ", new ByteArrayInputStream(b));
127:            }
128:
129:            public void input(byte[] b) throws IOException {
130:                if (b == null) {
131:                    throw new IllegalArgumentException("Input may not be null");
132:                }
133:                wire("<< ", new ByteArrayInputStream(b));
134:            }
135:
136:            public void output(int b) throws IOException {
137:                output(new byte[] { (byte) b });
138:            }
139:
140:            public void input(int b) throws IOException {
141:                input(new byte[] { (byte) b });
142:            }
143:
144:            public void output(final String s) throws IOException {
145:                if (s == null) {
146:                    throw new IllegalArgumentException("Output may not be null");
147:                }
148:                output(s.getBytes());
149:            }
150:
151:            public void input(final String s) throws IOException {
152:                if (s == null) {
153:                    throw new IllegalArgumentException("Input may not be null");
154:                }
155:                input(s.getBytes());
156:            }
157:        }
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