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149 lines
4.6 KiB
Java
149 lines
4.6 KiB
Java
/* *******************************************************************
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* Copyright (c) 1999-2001 Xerox Corporation,
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* 2002 Palo Alto Research Center, Incorporated (PARC).
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* All rights reserved.
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* This program and the accompanying materials are made available
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* under the terms of the Common Public License v1.0
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* which accompanies this distribution and is available at
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* http://www.eclipse.org/legal/cpl-v10.html
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*
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* Contributors:
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* Xerox/PARC initial implementation
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* ******************************************************************/
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package org.aspectj.testing.util;
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import org.aspectj.util.LangUtil;
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import java.lang.reflect.Array;
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import java.util.ArrayList;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import java.util.SortedSet;
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import java.util.StringTokenizer;
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import java.util.TreeSet;
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/**
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* This is source for a sample .class file.
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* It is compiled and the corresponding .class files are
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* checked in under the testdata directory.
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* It has no other purpose.
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*/
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public class TestCompareClassFile implements Runnable {
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public static final String STATIC_CONST = "STATIC_CONST";
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public static void main(String[] args) {
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// tc static references
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long l = Math.abs(System.currentTimeMillis());
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String s = STATIC_CONST + " is constant";
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}
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public static void runStatic() {
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}
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private static void privateRunStatic() {
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}
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static void defaultRunStatic() {
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}
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protected static void protectedRunStatic() {
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}
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private long privateLong;
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private final Object privateFinalObject;
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private TestCompareClassFile() {
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super();
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privateLong = System.currentTimeMillis();
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// method-local inner class
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privateFinalObject = new Runnable() { public void run(){}};
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}
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/** implement Runnable */
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public void run() {
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}
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private void privateRun() {
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}
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void defaultRun() {
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}
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protected void protectedRun() {
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}
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// ------- misc stolen utility code
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// Collections Util
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public static List getListInMap(Map map, Object key) {
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List list = (List)map.get(key);
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if (list == null) {
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list = new ArrayList();
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map.put(key, list);
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}
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return list;
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}
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public static SortedSet getSortedSetInMap(Map map, Object key) {
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SortedSet list = (SortedSet)map.get(key);
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if (list == null) {
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list = new TreeSet();
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map.put(key, list);
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}
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return list;
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}
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// LangUtil
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/**
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* Make a copy of the array.
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* @return an array with the same component type as source
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* containing same elements, even if null.
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* @throws IllegalArgumentException if source is null
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*/
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public static final Object[] copy(Object[] source) {
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final Class c = source.getClass().getComponentType();
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Object[] result = (Object[]) Array.newInstance(c, source.length);
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System.arraycopy(source, 0, result, 0, result.length);
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return result;
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}
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/**
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* Trim ending lines from a StringBuffer,
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* clipping to maxLines and further removing any number of
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* trailing lines accepted by checker.
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* @param checker returns true if trailing line should be elided.
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* @param stack StringBuffer with lines to elide
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* @param maxLines int for maximum number of resulting lines
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*/
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static void elideEndingLines(StringBuffer stack, int maxLines) {
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if ((null == stack) || (0 == stack.length())) {
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return;
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}
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final LinkedList lines = new LinkedList();
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StringTokenizer st = new StringTokenizer(stack.toString(),"\n\r");
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while (st.hasMoreTokens() && (0 < --maxLines)) {
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lines.add(st.nextToken());
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}
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st = null;
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String line;
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int elided = 0;
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while (!lines.isEmpty()) {
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line = (String) lines.getLast();
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if (null == line) {
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break;
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} else {
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elided++;
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lines.removeLast();
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}
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}
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if ((elided > 0) || (maxLines < 1)) {
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final int EOL_LEN = LangUtil.EOL.length();
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int totalLength = 0;
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while (!lines.isEmpty()) {
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totalLength += EOL_LEN + ((String) lines.getFirst()).length();
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lines.removeFirst();
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}
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if (stack.length() > totalLength) {
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stack.setLength(totalLength);
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if (elided > 0) {
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stack.append(" (... " + elided + " lines...)");
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}
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}
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}
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}
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}
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