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package org.netbeans.modules.debugger.jpda.models;
import com.sun.jdi.ArrayReference;
import com.sun.jdi.BooleanType;
import com.sun.jdi.ByteType;
import com.sun.jdi.ByteValue;
import com.sun.jdi.CharType;
import com.sun.jdi.CharValue;
import com.sun.jdi.ClassNotLoadedException;
import com.sun.jdi.ClassObjectReference;
import com.sun.jdi.ClassType;
import com.sun.jdi.DoubleType;
import com.sun.jdi.DoubleValue;
import com.sun.jdi.Field;
import com.sun.jdi.FloatType;
import com.sun.jdi.FloatValue;
import com.sun.jdi.IncompatibleThreadStateException;
import com.sun.jdi.IntegerType;
import com.sun.jdi.IntegerValue;
import com.sun.jdi.InvalidTypeException;
import com.sun.jdi.InvocationException;
import com.sun.jdi.LongType;
import com.sun.jdi.LongValue;
import com.sun.jdi.ObjectCollectedException;
import com.sun.jdi.ObjectReference;
import com.sun.jdi.PrimitiveType;
import com.sun.jdi.PrimitiveValue;
import com.sun.jdi.ReferenceType;
import com.sun.jdi.ShortType;
import com.sun.jdi.ShortValue;
import com.sun.jdi.StringReference;
import com.sun.jdi.Type;
import com.sun.jdi.Value;
import com.sun.jdi.VoidValue;
import com.sun.jdi.VMDisconnectedException;
import java.beans.Customizer;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.HashSet;
import java.util.Set;
import org.netbeans.api.debugger.jpda.InvalidExpressionException;
import org.netbeans.api.debugger.jpda.JPDAClassType;
import org.netbeans.api.debugger.jpda.JPDAThread;
import org.netbeans.api.debugger.jpda.Variable;
import org.netbeans.modules.debugger.jpda.JPDADebuggerImpl;
import org.netbeans.modules.debugger.jpda.expr.EvaluatorVisitor;
import org.netbeans.modules.debugger.jpda.expr.JDIVariable;
import org.openide.util.NbBundle;
/**
* @author Jan Jancura
*/
class AbstractVariable implements JDIVariable, Customizer, Cloneable {
// Customized for add/removePropertyChangeListener
// Cloneable for fixed watches
private Value value;
private JPDADebuggerImpl debugger;
private String id;
private Set<PropertyChangeListener> listeners = new HashSet<PropertyChangeListener>();
AbstractVariable (
JPDADebuggerImpl debugger,
Value value,
String id
) {
this.debugger = debugger;
this.value = value;
this.id = id;
if (this.id == null)
this.id = Integer.toString(super.hashCode());
}
// public interface ........................................................
/**
* Returns string representation of type of this variable.
*
* @return string representation of type of this variable.
*/
public String getValue () {
Value v = getInnerValue ();
return getValue(v);
}
static String getValue (Value v) {
if (v == null) return "null";
if (v instanceof VoidValue) return "void";
if (v instanceof CharValue)
return "\'" + v.toString () + "\'";
if (v instanceof PrimitiveValue)
return v.toString ();
if (v instanceof StringReference)
return "\"" +
((StringReference) v).value ()
+ "\"";
if (v instanceof ClassObjectReference)
return "class " + ((ClassObjectReference) v).reflectedType ().name ();
if (v instanceof ArrayReference)
return "#" + ((ArrayReference) v).uniqueID () +
"(length=" + ((ArrayReference) v).length () + ")";
return "#" + ((ObjectReference) v).uniqueID ();
}
/**
* Sets string representation of value of this variable.
*
* @param value string representation of value of this variable.
*/
public void setValue (String expression) throws InvalidExpressionException {
String oldValue = getValue();
if (expression.equals(oldValue)) {
return ; // Do nothing, since the values are identical
}
Value value;
Value oldV = getInnerValue();
if (oldV instanceof CharValue && expression.startsWith("'") && expression.endsWith("'") && expression.length() > 1) {
value = oldV.virtualMachine().mirrorOf(expression.charAt(1));
} else if ((oldV instanceof StringReference || oldV == null) &&
expression.startsWith("\"") && expression.endsWith("\"") && expression.length() > 1) {
value = debugger.getVirtualMachine().mirrorOf(expression.substring(1, expression.length() - 1));
} else if (oldV instanceof ObjectReference &&
((ObjectReference) oldV).referenceType() instanceof ClassType &&
((ClassType) ((ObjectReference) oldV).referenceType()).isEnum()) {
ClassType enumType = (ClassType) ((ObjectReference) oldV).referenceType();
Field enumValue = enumType.fieldByName(expression);
if (enumValue != null) {
value = enumType.getValue(enumValue);
} else {
throw new InvalidExpressionException(expression);
}
} else if ("null".equals(expression)) {
value = null;
} else {
// evaluate expression to Value
Value evaluatedValue = debugger.evaluateIn (expression);
if (oldV != null && evaluatedValue != null) {
Type type = oldV.type();
if (!type.equals(evaluatedValue.type())) {
evaluatedValue = convertValue(evaluatedValue, type);
}
}
value = evaluatedValue;
}
// set new value to remote veriable
setValue (value);
// set new value to this model
setInnerValue (value);
}
private Value convertValue(Value value, Type type) {
if (type instanceof PrimitiveType) {
if (value instanceof ObjectReference) {
JPDAThread ct = getDebugger().getCurrentThread();
if (ct != null) {
try {
value = EvaluatorVisitor.unbox((ObjectReference) value,
(PrimitiveType) type,
((JPDAThreadImpl) ct).getThreadReference());
} catch (InvalidTypeException ex) {
} catch (ClassNotLoadedException ex) {
} catch (IncompatibleThreadStateException ex) {
} catch (InvocationException ex) {
}
}
if (value.type().equals(type)) {
return value;
}
}
if (value instanceof PrimitiveValue) {
PrimitiveValue pv = (PrimitiveValue) value;
if (type instanceof BooleanType) return pv.virtualMachine().mirrorOf(pv.booleanValue());
if (type instanceof ByteType) return pv.virtualMachine().mirrorOf(pv.byteValue());
if (type instanceof CharType) return pv.virtualMachine().mirrorOf(pv.charValue());
if (type instanceof ShortType) return pv.virtualMachine().mirrorOf(pv.shortValue());
if (type instanceof IntegerType) return pv.virtualMachine().mirrorOf(pv.intValue());
if (type instanceof LongType) return pv.virtualMachine().mirrorOf(pv.longValue());
if (type instanceof FloatType) return pv.virtualMachine().mirrorOf(pv.floatValue());
if (type instanceof DoubleType) return pv.virtualMachine().mirrorOf(pv.doubleValue());
}
}
if (type instanceof ClassType && value instanceof PrimitiveValue) {
JPDAThread ct = getDebugger().getCurrentThread();
if (ct != null) {
PrimitiveValue pv = (PrimitiveValue) value;
String classType = type.name();
if (classType.equals("java.lang.Byte") && !(pv instanceof ByteValue)) {
pv = pv.virtualMachine().mirrorOf(pv.byteValue());
}
if (classType.equals("java.lang.Character") && !(pv instanceof CharValue)) {
pv = pv.virtualMachine().mirrorOf(pv.charValue());
}
if (classType.equals("java.lang.Short") && !(pv instanceof ShortValue)) {
pv = pv.virtualMachine().mirrorOf(pv.shortValue());
}
if (classType.equals("java.lang.Integer") && !(pv instanceof IntegerValue)) {
pv = pv.virtualMachine().mirrorOf(pv.intValue());
}
if (classType.equals("java.lang.Long") && !(pv instanceof LongValue)) {
pv = pv.virtualMachine().mirrorOf(pv.longValue());
}
if (classType.equals("java.lang.Float") && !(pv instanceof FloatValue)) {
pv = pv.virtualMachine().mirrorOf(pv.floatValue());
}
if (classType.equals("java.lang.Double") && !(pv instanceof DoubleValue)) {
pv = pv.virtualMachine().mirrorOf(pv.doubleValue());
}
try {
value = EvaluatorVisitor.box(pv,
(ReferenceType) type,
((JPDAThreadImpl) ct).getThreadReference());
} catch (InvalidTypeException ex) {
} catch (ClassNotLoadedException ex) {
} catch (IncompatibleThreadStateException ex) {
} catch (InvocationException ex) {
}
}
}
return value;
}
/**
* Override, but do not call directly!
*/
protected void setValue (Value value) throws InvalidExpressionException {
throw new InternalError ();
}
public void setObject(Object bean) {
try {
if (bean instanceof String) {
setValue((String) bean);
//} else if (bean instanceof Value) {
// setValue((Value) bean); -- do not call directly
} else {
throw new IllegalArgumentException(""+bean);
}
} catch (InvalidExpressionException ieex) {
IllegalArgumentException iaex = new IllegalArgumentException(ieex.getLocalizedMessage());
iaex.initCause(ieex);
throw iaex;
}
}
/**
* Declared type of this local.
*
* @return declared type of this local
*/
public String getType () {
if (getInnerValue () == null) return "";
try {
return this.getInnerValue().type().name ();
} catch (VMDisconnectedException vmdex) {
// The session is gone.
return NbBundle.getMessage(AbstractVariable.class, "MSG_Disconnected");
} catch (ObjectCollectedException ocex) {
// The object is gone.
return NbBundle.getMessage(AbstractVariable.class, "MSG_ObjCollected");
}
}
public JPDAClassType getClassType() {
Value value = getInnerValue();
if (value == null) return null;
com.sun.jdi.Type type = value.type();
if (type instanceof ReferenceType) {
return new JPDAClassTypeImpl(debugger, (ReferenceType) type);
} else {
return null;
}
}
public boolean equals (Object o) {
return (o instanceof AbstractVariable) &&
(id.equals (((AbstractVariable) o).id));
}
public int hashCode () {
return id.hashCode ();
}
// other methods............................................................
protected Value getInnerValue () {
return value;
}
protected void setInnerValue (Value v) {
value = v;
// refresh tree
PropertyChangeEvent evt = new PropertyChangeEvent(this, "value", null, value);
Object[] ls;
synchronized (listeners) {
ls = listeners.toArray();
}
for (int i = 0; i < ls.length; i++) {
((PropertyChangeListener) ls[i]).propertyChange(evt);
}
debugger.varChangeSupport.firePropertyChange(evt);
//pchs.firePropertyChange("value", null, value);
//getModel ().fireTableValueChangedChanged (this, null);
}
public Value getJDIValue() {
return value;
}
protected final JPDADebuggerImpl getDebugger() {
return debugger;
}
protected final String getID () {
return id;
}
private int cloneNumber = 1;
public Variable clone() {
AbstractVariable clon = new AbstractVariable(debugger, value, id + "_clone"+(cloneNumber++));
return clon;
}
public final void addPropertyChangeListener(PropertyChangeListener l) {
listeners.add(l);
}
public final void removePropertyChangeListener(PropertyChangeListener l) {
listeners.remove(l);
}
public String toString () {
return "Variable ";
}
/* Uncomment when needed. Was used to create "readable" String and Char values.
private static String convertToStringInitializer (String s) {
StringBuffer sb = new StringBuffer ();
int i, k = s.length ();
for (i = 0; i < k; i++)
switch (s.charAt (i)) {
case '\b':
sb.append ("\\b");
break;
case '\f':
sb.append ("\\f");
break;
case '\\':
sb.append ("\\\\");
break;
case '\t':
sb.append ("\\t");
break;
case '\r':
sb.append ("\\r");
break;
case '\n':
sb.append ("\\n");
break;
case '\"':
sb.append ("\\\"");
break;
default:
sb.append (s.charAt (i));
}
return sb.toString();
}
private static String convertToCharInitializer (String s) {
StringBuffer sb = new StringBuffer ();
int i, k = s.length ();
for (i = 0; i < k; i++)
switch (s.charAt (i)) {
case '\b':
sb.append ("\\b");
break;
case '\f':
sb.append ("\\f");
break;
case '\\':
sb.append ("\\\\");
break;
case '\t':
sb.append ("\\t");
break;
case '\r':
sb.append ("\\r");
break;
case '\n':
sb.append ("\\n");
break;
case '\'':
sb.append ("\\\'");
break;
default:
sb.append (s.charAt (i));
}
return sb.toString();
}
*/
}
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