diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/depend/constantpool/NameAndTypeCPInfo.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/depend/constantpool/NameAndTypeCPInfo.java | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/depend/constantpool/NameAndTypeCPInfo.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/depend/constantpool/NameAndTypeCPInfo.java new file mode 100644 index 00000000..47f454d2 --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/depend/constantpool/NameAndTypeCPInfo.java @@ -0,0 +1,112 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ +package org.apache.tools.ant.taskdefs.optional.depend.constantpool; + +import java.io.DataInputStream; +import java.io.IOException; + +/** + * A NameAndType CP Info + * + */ +public class NameAndTypeCPInfo extends ConstantPoolEntry { + + /** Constructor. */ + public NameAndTypeCPInfo() { + super(CONSTANT_NAMEANDTYPE, 1); + } + + /** + * read a constant pool entry from a class stream. + * + * @param cpStream the DataInputStream which contains the constant pool + * entry to be read. + * @exception IOException if there is a problem reading the entry from + * the stream. + */ + public void read(DataInputStream cpStream) throws IOException { + nameIndex = cpStream.readUnsignedShort(); + descriptorIndex = cpStream.readUnsignedShort(); + } + + /** + * Print a readable version of the constant pool entry. + * + * @return the string representation of this constant pool entry. + */ + public String toString() { + String value; + + if (isResolved()) { + value = "Name = " + name + ", type = " + type; + } else { + value = "Name index = " + nameIndex + + ", descriptor index = " + descriptorIndex; + } + + return value; + } + + /** + * Resolve this constant pool entry with respect to its dependents in + * the constant pool. + * + * @param constantPool the constant pool of which this entry is a member + * and against which this entry is to be resolved. + */ + public void resolve(ConstantPool constantPool) { + name = ((Utf8CPInfo) constantPool.getEntry(nameIndex)).getValue(); + type = ((Utf8CPInfo) constantPool.getEntry(descriptorIndex)).getValue(); + + super.resolve(constantPool); + } + + /** + * Get the name component of this entry + * + * @return the name of this name and type entry + */ + public String getName() { + return name; + } + + /** + * Get the type signature of this entry + * + * @return the type signature of this entry + */ + public String getType() { + return type; + } + + /** the name component of this entry */ + private String name; + /** the type component of this entry */ + private String type; + /** + * the index into the constant pool at which the name component's string + * value is stored + */ + private int nameIndex; + /** + * the index into the constant pool where the type descriptor string is + * stored. + */ + private int descriptorIndex; +} + |