/*
* 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.geode.codeAnalysis.decode.cp;
import java.io.*;
/**
* Cp represents an entry in the constant pool of a class. See
* https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4
*/
public class Cp {
protected static final int TAG_Class = 7;
protected static final int TAG_Fieldref = 9;
protected static final int TAG_Methodref = 10;
protected static final int TAG_InterfaceMethodref = 11;
protected static final int TAG_String = 8;
protected static final int TAG_Integer = 3;
protected static final int TAG_Float = 4;
protected static final int TAG_Long = 5;
protected static final int TAG_Double = 6;
protected static final int TAG_NameAndType = 12;
protected static final int TAG_Utf8 = 1;
protected static final int TAG_MethodHandle = 15;
protected static final int TAG_MethodType = 16;
protected static final int TAG_InvokeDynamic = 18;
public static Cp readCp(DataInputStream source) throws IOException {
byte tag;
tag = (byte) source.readUnsignedByte();
switch (tag) {
case TAG_Class:
return new CpClass(source);
case TAG_Fieldref:
return new CpFieldref(source);
case TAG_Methodref:
return new CpMethodref(source);
case TAG_InterfaceMethodref:
return new CpInterfaceMethodref(source);
case TAG_String:
return new CpString(source);
case TAG_Integer:
return new CpInteger(source);
case TAG_Float:
return new CpFloat(source);
case TAG_Long:
return new CpLong(source);
case TAG_Double:
return new CpDouble(source);
case TAG_NameAndType:
return new CpNameAndType(source);
case TAG_Utf8:
return new CpUtf8(source);
case TAG_MethodHandle:
return new CpMethodHandle(source);
case TAG_MethodType:
return new CpMethodType(source);
case TAG_InvokeDynamic:
return new CpInvokeDynamic(source);
default:
throw new IOException("Unknown tag type in constant pool: " + tag);
}
}
}