| /*** |
| * ASM: a very small and fast Java bytecode manipulation framework |
| * Copyright (c) 2000-2011 INRIA, France Telecom |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package org.objectweb.asm.tree; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.objectweb.asm.AnnotationVisitor; |
| import org.objectweb.asm.Attribute; |
| import org.objectweb.asm.ClassVisitor; |
| import org.objectweb.asm.FieldVisitor; |
| import org.objectweb.asm.Opcodes; |
| |
| /** |
| * A node that represents a field. |
| * |
| * @author Eric Bruneton |
| */ |
| public class FieldNode extends FieldVisitor { |
| |
| /** |
| * The field's access flags (see {@link org.objectweb.asm.Opcodes}). This |
| * field also indicates if the field is synthetic and/or deprecated. |
| */ |
| public int access; |
| |
| /** |
| * The field's name. |
| */ |
| public String name; |
| |
| /** |
| * The field's descriptor (see {@link org.objectweb.asm.Type}). |
| */ |
| public String desc; |
| |
| /** |
| * The field's signature. May be <tt>null</tt>. |
| */ |
| public String signature; |
| |
| /** |
| * The field's initial value. This field, which may be <tt>null</tt> if the |
| * field does not have an initial value, must be an {@link Integer}, a |
| * {@link Float}, a {@link Long}, a {@link Double} or a {@link String}. |
| */ |
| public Object value; |
| |
| /** |
| * The runtime visible annotations of this field. This list is a list of |
| * {@link AnnotationNode} objects. May be <tt>null</tt>. |
| * |
| * @associates org.objectweb.asm.tree.AnnotationNode |
| * @label visible |
| */ |
| public List<AnnotationNode> visibleAnnotations; |
| |
| /** |
| * The runtime invisible annotations of this field. This list is a list of |
| * {@link AnnotationNode} objects. May be <tt>null</tt>. |
| * |
| * @associates org.objectweb.asm.tree.AnnotationNode |
| * @label invisible |
| */ |
| public List<AnnotationNode> invisibleAnnotations; |
| |
| /** |
| * The non standard attributes of this field. This list is a list of |
| * {@link Attribute} objects. May be <tt>null</tt>. |
| * |
| * @associates org.objectweb.asm.Attribute |
| */ |
| public List<Attribute> attrs; |
| |
| /** |
| * Constructs a new {@link FieldNode}. <i>Subclasses must not use this |
| * constructor</i>. Instead, they must use the |
| * {@link #FieldNode(int, int, String, String, String, Object)} version. |
| * |
| * @param access |
| * the field's access flags (see |
| * {@link org.objectweb.asm.Opcodes}). This parameter also |
| * indicates if the field is synthetic and/or deprecated. |
| * @param name |
| * the field's name. |
| * @param desc |
| * the field's descriptor (see {@link org.objectweb.asm.Type |
| * Type}). |
| * @param signature |
| * the field's signature. |
| * @param value |
| * the field's initial value. This parameter, which may be |
| * <tt>null</tt> if the field does not have an initial value, |
| * must be an {@link Integer}, a {@link Float}, a {@link Long}, a |
| * {@link Double} or a {@link String}. |
| */ |
| public FieldNode(final int access, final String name, final String desc, |
| final String signature, final Object value) { |
| this(Opcodes.ASM4, access, name, desc, signature, value); |
| } |
| |
| /** |
| * Constructs a new {@link FieldNode}. <i>Subclasses must not use this |
| * constructor</i>. Instead, they must use the |
| * {@link #FieldNode(int, int, String, String, String, Object)} version. |
| * |
| * @param api |
| * the ASM API version implemented by this visitor. Must be one |
| * of {@link Opcodes#ASM4}. |
| * @param access |
| * the field's access flags (see |
| * {@link org.objectweb.asm.Opcodes}). This parameter also |
| * indicates if the field is synthetic and/or deprecated. |
| * @param name |
| * the field's name. |
| * @param desc |
| * the field's descriptor (see {@link org.objectweb.asm.Type |
| * Type}). |
| * @param signature |
| * the field's signature. |
| * @param value |
| * the field's initial value. This parameter, which may be |
| * <tt>null</tt> if the field does not have an initial value, |
| * must be an {@link Integer}, a {@link Float}, a {@link Long}, a |
| * {@link Double} or a {@link String}. |
| */ |
| public FieldNode(final int api, final int access, final String name, |
| final String desc, final String signature, final Object value) { |
| super(api); |
| this.access = access; |
| this.name = name; |
| this.desc = desc; |
| this.signature = signature; |
| this.value = value; |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Implementation of the FieldVisitor abstract class |
| // ------------------------------------------------------------------------ |
| |
| @Override |
| public AnnotationVisitor visitAnnotation(final String desc, |
| final boolean visible) { |
| AnnotationNode an = new AnnotationNode(desc); |
| if (visible) { |
| if (visibleAnnotations == null) { |
| visibleAnnotations = new ArrayList<AnnotationNode>(1); |
| } |
| visibleAnnotations.add(an); |
| } else { |
| if (invisibleAnnotations == null) { |
| invisibleAnnotations = new ArrayList<AnnotationNode>(1); |
| } |
| invisibleAnnotations.add(an); |
| } |
| return an; |
| } |
| |
| @Override |
| public void visitAttribute(final Attribute attr) { |
| if (attrs == null) { |
| attrs = new ArrayList<Attribute>(1); |
| } |
| attrs.add(attr); |
| } |
| |
| @Override |
| public void visitEnd() { |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Accept methods |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * Checks that this field node is compatible with the given ASM API version. |
| * This methods checks that this node, and all its nodes recursively, do not |
| * contain elements that were introduced in more recent versions of the ASM |
| * API than the given version. |
| * |
| * @param api |
| * an ASM API version. Must be one of {@link Opcodes#ASM4}. |
| */ |
| public void check(final int api) { |
| // nothing to do |
| } |
| |
| /** |
| * Makes the given class visitor visit this field. |
| * |
| * @param cv |
| * a class visitor. |
| */ |
| public void accept(final ClassVisitor cv) { |
| FieldVisitor fv = cv.visitField(access, name, desc, signature, value); |
| if (fv == null) { |
| return; |
| } |
| int i, n; |
| n = visibleAnnotations == null ? 0 : visibleAnnotations.size(); |
| for (i = 0; i < n; ++i) { |
| AnnotationNode an = visibleAnnotations.get(i); |
| an.accept(fv.visitAnnotation(an.desc, true)); |
| } |
| n = invisibleAnnotations == null ? 0 : invisibleAnnotations.size(); |
| for (i = 0; i < n; ++i) { |
| AnnotationNode an = invisibleAnnotations.get(i); |
| an.accept(fv.visitAnnotation(an.desc, false)); |
| } |
| n = attrs == null ? 0 : attrs.size(); |
| for (i = 0; i < n; ++i) { |
| fv.visitAttribute(attrs.get(i)); |
| } |
| fv.visitEnd(); |
| } |
| } |