package org.eclipse.jdi.internal; | |
/* | |
* (c) Copyright IBM Corp. 2000, 2001. | |
* All Rights Reserved. | |
*/ | |
import com.sun.jdi.*; | |
import com.sun.jdi.connect.*; | |
import com.sun.jdi.event.*; | |
import com.sun.jdi.request.*; | |
import org.eclipse.jdi.internal.connect.*; | |
import org.eclipse.jdi.internal.request.*; | |
import org.eclipse.jdi.internal.event.*; | |
import org.eclipse.jdi.internal.jdwp.*; | |
import org.eclipse.jdi.internal.spy.*; | |
import java.util.*; | |
import java.io.*; | |
/** | |
* this class implements the corresponding interfaces | |
* declared by the JDI specification. See the com.sun.jdi package | |
* for more information. | |
* | |
*/ | |
public class StringReferenceImpl extends ObjectReferenceImpl implements StringReference { | |
/** JDWP Tag. */ | |
public static final byte tag = JdwpID.STRING_TAG; | |
/** | |
* Creates new StringReferenceImpl. | |
*/ | |
public StringReferenceImpl(VirtualMachineImpl vmImpl, JdwpStringID stringID) { | |
super("StringReference", vmImpl, stringID); | |
} | |
/** | |
* @returns Value tag. | |
*/ | |
public byte getTag() { | |
return tag; | |
} | |
/** | |
* @returns Returns the StringReference as a String. | |
*/ | |
public String value() { | |
// Note that this information should not be cached. | |
initJdwpRequest(); | |
try { | |
JdwpReplyPacket replyPacket = requestVM(JdwpCommandPacket.SR_VALUE, this); | |
defaultReplyErrorHandler(replyPacket.errorCode()); | |
DataInputStream replyData = replyPacket.dataInStream(); | |
String result = readString("value", replyData); | |
return result; | |
} catch (IOException e) { | |
defaultIOExceptionHandler(e); | |
return null; | |
} finally { | |
handledJdwpRequest(); | |
} | |
} | |
/** | |
* @return Reads JDWP representation and returns new instance. | |
*/ | |
public static StringReferenceImpl read(MirrorImpl target, DataInputStream in) throws IOException { | |
VirtualMachineImpl vmImpl = target.virtualMachineImpl(); | |
JdwpStringID ID = new JdwpStringID(vmImpl); | |
ID.read(in); | |
if (target.fVerboseWriter != null) | |
target.fVerboseWriter.println("stringReference", ID.value()); | |
if (ID.isNull()) | |
return null; | |
StringReferenceImpl mirror = new StringReferenceImpl(vmImpl, ID); | |
return mirror; | |
} | |
/** | |
* @return Returns description of Mirror object. | |
*/ | |
public String toString() { | |
try { | |
return "\"" + value() + "\""; | |
} catch (ObjectCollectedException e) { | |
return "(Garbage Collected) StringReference " + idString(); | |
} catch (Exception e) { | |
return fDescription; | |
} | |
} | |
} |