Java tutorial
/* * ==================================================================== * 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 com.epam.reportportal.apache.http.impl.conn; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import com.epam.reportportal.apache.http.annotation.Immutable; import com.epam.reportportal.apache.http.util.Args; import org.apache.commons.logging.Log; /** * 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 { private final Log log; private final String id; /** * @since 4.3 */ public Wire(final Log log, final String id) { this.log = log; this.id = id; } public Wire(final Log 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 }); } /** * @deprecated (4.1) do not use */ @Deprecated public void output(final String s) throws IOException { Args.notNull(s, "Output"); output(s.getBytes()); } /** * @deprecated (4.1) do not use */ @Deprecated public void input(final String s) throws IOException { Args.notNull(s, "Input"); input(s.getBytes()); } }