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Add variant of toString() that allows caller to indicate he wants qualified or simple class name

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This commit is contained in:
John Cortell 2009-10-01 02:20:29 +00:00
parent f93ce93689
commit f53c0d4f1d
1 changed files with 19 additions and 8 deletions
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27
core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/LoggingUtils.java
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@ -12,14 +12,12 @@ package org.eclipse.cdt.internal.core;
/**
* Some general purpose functions that can be useful for logging/tracing activities.
*
* @since 5.2
*/
public class LoggingUtils {
/**
* Return a string that uniquely identifies a Java object reference, in the
* form "classname@id", where 'classname' is the simple (package
* unqualified) name of the object's class, and 'id' is the hash code.
* form "classname@id", where 'classname' is the simple or package qualified
* name of the object's class, and 'id' is the hash code.
*
* Why not just use obj.toString()? That method is often overriden, and so
* cannot be relied on for a representation that uniquely identifies the
@ -27,20 +25,33 @@ public class LoggingUtils {
*
* @param obj
* the object reference to stringify
* @param simpleClassName
* if true, use the class's simple name, otherwise the package
* qualified one
*
* @return the stringified representation of the object reference
*/
public static String toString(Object obj) {
public static String toString(Object obj, boolean simpleClassName) {
if (obj == null) {
return "null"; //$NON-NLS-1$
}
String className = obj.getClass().getName();
int lastDot = className.lastIndexOf('.');
if ((lastDot >= 0) && ((lastDot + 1) < className.length())) {
className = className.substring(lastDot + 1);
if (simpleClassName) {
int lastDot = className.lastIndexOf('.');
if ((lastDot >= 0) && ((lastDot + 1) < className.length())) {
className = className.substring(lastDot + 1);
}
}
String id = Integer.toHexString(System.identityHashCode(obj));
return className + "@" + id; //$NON-NLS-1$
}
/**
* Equivalent to toString(obj, false)
*/
public static String toString(Object obj) {
return toString(obj, true);
}
}