Clover coverage report - PLT Utilities Test Coverage (plt-20120304-r5436)
Coverage timestamp: Sat Mar 3 2012 22:01:56 CST
Overview   Package   File
    FRAMES   NO FRAMES  
file stats: LOC: 126   Methods: 7
NCLOC: 71   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
IndentedTextLogSink.java 0% 10% 14.3% 9.8%
coverage coverage
 1    /*BEGIN_COPYRIGHT_BLOCK*
 2   
 3    PLT Utilities BSD License
 4   
 5    Copyright (c) 2007-2010 JavaPLT group at Rice University
 6    All rights reserved.
 7   
 8    Developed by: Java Programming Languages Team
 9    Rice University
 10    http://www.cs.rice.edu/~javaplt/
 11   
 12    Redistribution and use in source and binary forms, with or without modification, are permitted
 13    provided that the following conditions are met:
 14   
 15    - Redistributions of source code must retain the above copyright notice, this list of conditions
 16    and the following disclaimer.
 17    - Redistributions in binary form must reproduce the above copyright notice, this list of
 18    conditions and the following disclaimer in the documentation and/or other materials provided
 19    with the distribution.
 20    - Neither the name of the JavaPLT group, Rice University, nor the names of the library's
 21    contributors may be used to endorse or promote products derived from this software without
 22    specific prior written permission.
 23   
 24    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 25    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 26    FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND
 27    CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 28    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 29    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 30    IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 31    OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 32   
 33    *END_COPYRIGHT_BLOCK*/
 34   
 35    package edu.rice.cs.plt.debug;
 36   
 37    import java.io.BufferedWriter;
 38    import java.io.IOException;
 39    import java.util.WeakHashMap;
 40   
 41    import edu.rice.cs.plt.collect.TotalMap;
 42    import edu.rice.cs.plt.concurrent.LockMap;
 43    import edu.rice.cs.plt.iter.SizedIterable;
 44    import edu.rice.cs.plt.lambda.Lambda;
 45    import edu.rice.cs.plt.lambda.WrappedException;
 46   
 47    /**
 48    * An abstract log that records messages as indented text. Subclasses are responsible for providing a
 49    * BufferedWriter as needed via {@link #writer}.
 50    */
 51    public abstract class IndentedTextLogSink extends TextLogSink {
 52   
 53    private static final String HANGING_INDENT = " ";
 54   
 55    private static final Lambda<Long, Indenter> MAKE_INDENTER = new Lambda<Long, Indenter>() {
 56  0 public Indenter value(Long l) { return new Indenter(); }
 57    };
 58   
 59    private final TotalMap<Long, Indenter> _indenters;
 60    private final LockMap<BufferedWriter> _locks;
 61    private final WeakHashMap<BufferedWriter, Long> _lastThreads; // used to insert breaks when the log switches threads
 62   
 63  14 protected IndentedTextLogSink() {
 64  14 super();
 65  14 _indenters = new TotalMap<Long, Indenter>(MAKE_INDENTER, true);
 66  14 _locks = new LockMap<BufferedWriter>(5);
 67  14 _lastThreads = new WeakHashMap<BufferedWriter, Long>(5);
 68    }
 69   
 70  0 protected IndentedTextLogSink(int idealLineWidth) {
 71  0 super(idealLineWidth);
 72  0 _indenters = new TotalMap<Long, Indenter>(MAKE_INDENTER, true);
 73  0 _locks = new LockMap<BufferedWriter>(5);
 74  0 _lastThreads = new WeakHashMap<BufferedWriter, Long>(5);
 75    }
 76   
 77    /** Get a BufferedWriter for outputting the given message. */
 78    protected abstract BufferedWriter writer(Message m);
 79   
 80  0 protected void write(Message m, SizedIterable<String> text) {
 81  0 BufferedWriter w = writer(m);
 82  0 doWrite(w, m, text);
 83    }
 84   
 85  0 protected void writeStart(StartMessage m, SizedIterable<String> text) {
 86  0 write(m, text);
 87  0 synchronized(_indenters) { _indenters.get(m.thread().getId()).push(); }
 88    }
 89   
 90  0 protected void writeEnd(EndMessage m, SizedIterable<String> text) {
 91  0 synchronized(_indenters) { _indenters.get(m.thread().getId()).pop(); }
 92  0 write(m, text);
 93    }
 94   
 95  0 private void doWrite(BufferedWriter w, Message m, SizedIterable<String> text) {
 96  0 Long threadId = m.thread().getId();
 97  0 String indentString;
 98  0 synchronized(_indenters) { indentString = _indenters.get(threadId).indentString(); }
 99  0 Runnable unlock = _locks.lock(w);
 100  0 try {
 101  0 if (_lastThreads.containsKey(w)) {
 102  0 Long prevId = _lastThreads.get(w);
 103  0 if (!prevId.equals(threadId)) { w.newLine(); _lastThreads.put(w, threadId); }
 104    }
 105  0 else { _lastThreads.put(w, threadId); }
 106  0 w.write(indentString);
 107  0 w.write("[" + formatLocation(m.caller()) + " - " + formatThread(m.thread()) +" - " +
 108    formatTime(m.time()) + "]");
 109  0 w.newLine();
 110  0 for (String s : text) {
 111  0 w.write(indentString);
 112  0 w.write(HANGING_INDENT);
 113  0 w.write(s);
 114  0 w.newLine();
 115    }
 116  0 w.flush();
 117    }
 118    catch (IOException e) {
 119    // Throw an exception, because otherwise the lack of anything in the log will be interpreted as evidence
 120    // that the calling line of code did not execute.
 121  0 throw new WrappedException(e);
 122    }
 123  0 finally { unlock.run(); }
 124    }
 125   
 126    }
 
CloverReport generated by Clover Code Coverage v1.3.14
Sat Mar 3 2012 22:01:57 CST.		   Open Source License registered to the DrJava Project. This license of Clover is provided to support the development of DrJava only.