| 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 com.jeantessier.classreader.*; |
| 39 | |
| 40 | public class Field_info extends Feature_info implements com.jeantessier.classreader.Field_info { |
| 41 | private static final int ACC_VOLATILE = 0x0040; |
| 42 | private static final int ACC_TRANSIENT = 0x0080; |
| 43 | private static final int ACC_ENUM = 0x4000; |
| 44 | |
| 45 | public Field_info(Classfile classfile, DataInput in) throws IOException { |
| 46 | super(classfile, in); |
| 47 | } |
| 48 | |
| 49 | public String getFeatureType() { |
| 50 | return "field"; |
| 51 | } |
| 52 | |
| 53 | public boolean isVolatile() { |
| 54 | return (getAccessFlag() & ACC_VOLATILE) != 0; |
| 55 | } |
| 56 | |
| 57 | public boolean isTransient() { |
| 58 | return (getAccessFlag() & ACC_TRANSIENT) != 0; |
| 59 | } |
| 60 | |
| 61 | public boolean isEnum() { |
| 62 | return (getAccessFlag() & ACC_ENUM) != 0; |
| 63 | } |
| 64 | |
| 65 | public String getType() { |
| 66 | return DescriptorHelper.getType(getDescriptor()); |
| 67 | } |
| 68 | |
| 69 | public String getDeclaration() { |
| 70 | StringBuffer result = new StringBuffer(); |
| 71 | |
| 72 | if (isPublic()) result.append("public "); |
| 73 | if (isProtected()) result.append("protected "); |
| 74 | if (isPrivate()) result.append("private "); |
| 75 | if (isStatic()) result.append("static "); |
| 76 | if (isFinal()) result.append("final "); |
| 77 | if (isVolatile()) result.append("volatile "); |
| 78 | if (isTransient()) result.append("transient "); |
| 79 | |
| 80 | result.append(getType()).append(" "); |
| 81 | result.append(getName()); |
| 82 | |
| 83 | return result.toString(); |
| 84 | } |
| 85 | |
| 86 | public String getFullDeclaration() { |
| 87 | String result = getDeclaration(); |
| 88 | |
| 89 | if (getConstantValue() != null) { |
| 90 | if (getConstantValue().getRawValue() instanceof String_info) { |
| 91 | result += " = \"" + getConstantValue().getRawValue() + "\""; |
| 92 | } else { |
| 93 | result += " = " + getConstantValue().getRawValue(); |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | return result; |
| 98 | } |
| 99 | |
| 100 | public String getSignature() { |
| 101 | return getName(); |
| 102 | } |
| 103 | |
| 104 | public ConstantValue_attribute getConstantValue() { |
| 105 | ConstantValue_attribute result = null; |
| 106 | |
| 107 | Iterator i = getAttributes().iterator(); |
| 108 | while (result == null && i.hasNext()) { |
| 109 | Object temp = i.next(); |
| 110 | if (temp instanceof ConstantValue_attribute) { |
| 111 | result = (ConstantValue_attribute) temp; |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | return result; |
| 116 | } |
| 117 | |
| 118 | public void accept(Visitor visitor) { |
| 119 | visitor.visitField_info(this); |
| 120 | } |
| 121 | } |