diff options
Diffstat (limited to 'src/main/javassist/bytecode/annotation/StringMemberValue.java')
-rw-r--r-- | src/main/javassist/bytecode/annotation/StringMemberValue.java | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/main/javassist/bytecode/annotation/StringMemberValue.java b/src/main/javassist/bytecode/annotation/StringMemberValue.java new file mode 100644 index 0000000..970fb8f --- /dev/null +++ b/src/main/javassist/bytecode/annotation/StringMemberValue.java @@ -0,0 +1,103 @@ +/* + * Javassist, a Java-bytecode translator toolkit. + * Copyright (C) 2004 Bill Burke. All Rights Reserved. + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. Alternatively, the contents of this file may be used under + * the terms of the GNU Lesser General Public License Version 2.1 or later. + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + */ + +package javassist.bytecode.annotation; + +import javassist.ClassPool; +import javassist.bytecode.ConstPool; +import java.io.IOException; +import java.lang.reflect.Method; + +/** + * String constant value. + * + * @author <a href="mailto:bill@jboss.org">Bill Burke</a> + * @author Shigeru Chiba + */ +public class StringMemberValue extends MemberValue { + int valueIndex; + + /** + * Constructs a string constant value. The initial value is specified + * by the constant pool entry at the given index. + * + * @param index the index of a CONSTANT_Utf8_info structure. + */ + public StringMemberValue(int index, ConstPool cp) { + super('s', cp); + this.valueIndex = index; + } + + /** + * Constructs a string constant value. + * + * @param str the initial value. + */ + public StringMemberValue(String str, ConstPool cp) { + super('s', cp); + setValue(str); + } + + /** + * Constructs a string constant value. The initial value is "". + */ + public StringMemberValue(ConstPool cp) { + super('s', cp); + setValue(""); + } + + Object getValue(ClassLoader cl, ClassPool cp, Method m) { + return getValue(); + } + + Class getType(ClassLoader cl) { + return String.class; + } + + /** + * Obtains the value of the member. + */ + public String getValue() { + return cp.getUtf8Info(valueIndex); + } + + /** + * Sets the value of the member. + */ + public void setValue(String newValue) { + valueIndex = cp.addUtf8Info(newValue); + } + + /** + * Obtains the string representation of this object. + */ + public String toString() { + return "\"" + getValue() + "\""; + } + + /** + * Writes the value. + */ + public void write(AnnotationsWriter writer) throws IOException { + writer.constValueIndex(getValue()); + } + + /** + * Accepts a visitor. + */ + public void accept(MemberValueVisitor visitor) { + visitor.visitStringMemberValue(this); + } +} |