org.netbeans.lib.profiler.heap.HprofByteBuffer Maven / Gradle / Ivy
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package org.netbeans.lib.profiler.heap;
import java.io.IOException;
import java.util.Date;
import java.util.ResourceBundle;
/**
*
* @author Tomas Hurka
*/
public abstract class HprofByteBuffer {
//~ Static fields/initializers -----------------------------------------------------------------------------------------------
// Magic header
static final String magic1 = "JAVA PROFILE 1.0.1"; // NOI18N
static final String magic2 = "JAVA PROFILE 1.0.2"; // NOI18N
static final int JAVA_PROFILE_1_0_1 = 1;
static final int JAVA_PROFILE_1_0_2 = 2;
static final int MINIMAL_SIZE = 30;
static final boolean DEBUG = false;
//~ Instance fields ----------------------------------------------------------------------------------------------------------
int idSize;
int version;
long headerSize;
long length;
long time;
//~ Methods ------------------------------------------------------------------------------------------------------------------
abstract char getChar(long index);
abstract double getDouble(long index);
abstract float getFloat(long index);
long getHeaderSize() {
return headerSize;
}
long getID(long offset) {
if (idSize == 4) {
return ((long)getInt(offset)) & 0xFFFFFFFFL;
} else if (idSize == 8) {
return getLong(offset);
}
assert false;
return -1;
}
int getIDSize() {
return idSize;
}
int getFoffsetSize() {
return length 0) && (s.length() < len); b = get(offset[0]++)) {
s.append((char) b);
}
return s.toString();
}
}