| 1 | /* |
| 2 | * Copyright (c) 2001-2009, Jean Tessier |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * |
| 9 | * * Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * |
| 12 | * * Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * * Neither the name of Jean Tessier nor the names of his contributors |
| 17 | * may be used to endorse or promote products derived from this software |
| 18 | * without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR |
| 24 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 26 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 27 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 29 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 30 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | package com.jeantessier.classreader.impl; |
| 34 | |
| 35 | import java.io.*; |
| 36 | import java.util.*; |
| 37 | |
| 38 | import org.apache.log4j.*; |
| 39 | |
| 40 | import com.jeantessier.classreader.*; |
| 41 | |
| 42 | public class Exceptions_attribute extends Attribute_info implements com.jeantessier.classreader.Exceptions_attribute { |
| 43 | private Collection<Class_info> exceptions = new LinkedList<Class_info>(); |
| 44 | |
| 45 | public Exceptions_attribute(ConstantPool constantPool, Visitable owner, DataInput in) throws IOException { |
| 46 | super(constantPool, owner); |
| 47 | |
| 48 | int byteCount = in.readInt(); |
| 49 | Logger.getLogger(getClass()).debug("Attribute length: " + byteCount); |
| 50 | |
| 51 | int exceptionCount = in.readUnsignedShort(); |
| 52 | Logger.getLogger(getClass()).debug("Reading " + exceptionCount + " exception(s) ..."); |
| 53 | for (int i=0; i<exceptionCount; i++) { |
| 54 | Logger.getLogger(getClass()).debug("Exception " + i + ":"); |
| 55 | Class_info exception = (Class_info) constantPool.get(in.readUnsignedShort()); |
| 56 | exceptions.add(exception); |
| 57 | Logger.getLogger(getClass()).debug("Class " + exception); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | public Collection<Class_info> getExceptions() { |
| 62 | return exceptions; |
| 63 | } |
| 64 | |
| 65 | public String getAttributeName() { |
| 66 | return AttributeType.EXCEPTIONS.getAttributeName(); |
| 67 | } |
| 68 | |
| 69 | public void accept(Visitor visitor) { |
| 70 | visitor.visitExceptions_attribute(this); |
| 71 | } |
| 72 | } |