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com.sun.jdo.api.persistence.enhancer.classfile.ConstUnicode Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.jdo.api.persistence.enhancer.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Class representing a unicode string value in the constant pool
*/
/*
* Note: evidence suggests that this is no longer part of the java VM
* spec.
*/
public class ConstUnicode extends ConstBasic {
/* The tag associated with ConstClass entries */
public static final int MyTag = CONSTANTUnicode;
/* The unicode string of interest */
private String stringValue;
/* public accessors */
/**
* The tag of this constant entry
*/
public int tag () { return MyTag; }
/**
* return the value associated with the entry
*/
public String asString() {
return stringValue;
}
/**
* A printable representation
*/
public String toString () {
return "CONSTANTUnicode(" + indexAsString() + "): " + stringValue;//NOI18N
}
/* package local methods */
ConstUnicode (String s) {
stringValue = s;
}
void formatData (DataOutputStream b) throws IOException {
b.writeBytes(stringValue);
}
static ConstUnicode read (DataInputStream input) throws IOException {
int count = input.readShort(); // Is this chars or bytes?
StringBuffer b = new StringBuffer();
for (int i=0; i < count; i++) {
b.append(input.readChar());
}
return new ConstUnicode (b.toString());
}
void resolve (ConstantPool p) {
}
}
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