org.netbeans.lib.profiler.heap.HprofInstanceValue Maven / Gradle / Ivy
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package org.netbeans.lib.profiler.heap;
/**
*
* @author Tomas Hurka
*/
class HprofInstanceValue extends HprofObject implements FieldValue {
//~ Instance fields ----------------------------------------------------------------------------------------------------------
HprofField field;
InstanceDump instance;
//~ Constructors -------------------------------------------------------------------------------------------------------------
HprofInstanceValue(InstanceDump i, HprofField f, long offset) {
super(offset);
instance = i;
field = f;
}
//~ Methods ------------------------------------------------------------------------------------------------------------------
public Instance getDefiningInstance() {
return instance;
}
public Field getField() {
return field;
}
public String getValue() {
return getTypeValue().toString();
}
Object getTypeValue() {
byte type = field.getValueType();
HprofByteBuffer dumpBuffer = instance.dumpClass.getHprofBuffer();
return getTypeValue(dumpBuffer, fileOffset, type);
}
static Object getTypeValue(final HprofByteBuffer dumpBuffer, final long position, final byte type) {
switch (type) {
case HprofHeap.OBJECT:
long obj = dumpBuffer.getID(position);
return new Long(obj);
case HprofHeap.BOOLEAN:
byte b = dumpBuffer.get(position);
return Boolean.valueOf(b != 0);
case HprofHeap.CHAR:
char ch = dumpBuffer.getChar(position);
return Character.valueOf(ch);
case HprofHeap.FLOAT:
float f = dumpBuffer.getFloat(position);
return new Float(f);
case HprofHeap.DOUBLE:
double d = dumpBuffer.getDouble(position);
return new Double(d);
case HprofHeap.BYTE:
byte bt = dumpBuffer.get(position);
return new Byte(bt);
case HprofHeap.SHORT:
short sh = dumpBuffer.getShort(position);
return new Short(sh);
case HprofHeap.INT:
int i = dumpBuffer.getInt(position);
return Integer.valueOf(i);
case HprofHeap.LONG:
long lg = dumpBuffer.getLong(position);
return new Long(lg);
default:
return "Invalid type " + type; // NOI18N
}
}
}