001: /*
002: * Copyright (c) 2001-2004 Caucho Technology, Inc. All rights reserved.
003: *
004: * The Apache Software License, Version 1.1
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in
015: * the documentation and/or other materials provided with the
016: * distribution.
017: *
018: * 3. The end-user documentation included with the redistribution, if
019: * any, must include the following acknowlegement:
020: * "This product includes software developed by the
021: * Caucho Technology (http://www.caucho.com/)."
022: * Alternately, this acknowlegement may appear in the software itself,
023: * if and wherever such third-party acknowlegements normally appear.
024: *
025: * 4. The names "Hessian", "Resin", and "Caucho" must not be used to
026: * endorse or promote products derived from this software without prior
027: * written permission. For written permission, please contact
028: * info@caucho.com.
029: *
030: * 5. Products derived from this software may not be called "Resin"
031: * nor may "Resin" appear in their names without prior written
032: * permission of Caucho Technology.
033: *
034: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
035: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
036: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
037: * DISCLAIMED. IN NO EVENT SHALL CAUCHO TECHNOLOGY OR ITS CONTRIBUTORS
038: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
039: * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
040: * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
041: * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
042: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
043: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
044: * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
045: *
046: * @author Scott Ferguson
047: */
048:
049: package com.caucho.hessian.io;
050:
051: import java.io.IOException;
052: import java.io.InputStream;
053: import java.io.PrintWriter;
054: import java.util.ArrayList;
055:
056: /**
057: * Debugging input stream for Hessian requests.
058: */
059: public class HessianDebugInputStream extends InputStream {
060: private InputStream _is;
061:
062: private HessianDebugState _state;
063:
064: /**
065: * Creates an uninitialized Hessian input stream.
066: */
067: public HessianDebugInputStream(InputStream is, PrintWriter dbg) {
068: _is = is;
069:
070: _state = new HessianDebugState(dbg);
071: }
072:
073: /**
074: * Reads a character.
075: */
076: public int read() throws IOException {
077: int ch;
078:
079: InputStream is = _is;
080:
081: if (is == null)
082: return -1;
083: else
084: ch = is.read();
085:
086: _state.next(ch);
087:
088: return ch;
089: }
090:
091: /**
092: * closes the stream.
093: */
094: public void close() throws IOException {
095: InputStream is = _is;
096: _is = null;
097:
098: if (is != null)
099: is.close();
100:
101: _state.println();
102: }
103: }
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