Mercurial > hg > blitz_stable
view src/com/go/trove/io/TagReader.java @ 35:6f68e94c1fb8 default tip
Add CondensedStats monitoring utility, equivalent to vmstat
author | Dominic Cleal <dominic-cleal@cdo2.com> |
---|---|
date | Thu, 05 Aug 2010 11:07:25 +0100 |
parents | 3dc0c5604566 |
children |
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/* ==================================================================== * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group * ==================================================================== * The Tea Software License, Version 1.1 * * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Walt Disney Internet Group (http://opensource.go.com/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must * not be used to endorse or promote products derived from this * software without prior written permission. For written * permission, please contact opensource@dig.com. * * 5. Products derived from this software may not be called "Tea", * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet", * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior * written permission of the Walt Disney Internet Group. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * For more information about Tea, please see http://opensource.go.com/. */ package com.go.trove.io; import java.io.*; /****************************************************************************** * * @author Brian S O'Neill * @version * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 12/11/00 <!-- $--> */ public class TagReader extends EscapeReader { private int mTagCount; private int[] mTagStarts; private String[] mTagEnds; private int[] mCodes; private char[] mMinibuf; private static int maxLength(String[] tags) { int max = 0; for (int i=0; i<tags.length; i++) { if (tags[i].length() > max) { max = tags[i].length(); } } return max; } public TagReader(Reader source, String[] tags, int[] codes) { super(source, maxLength(tags)); mTagCount = tags.length; mTagStarts = new int[mTagCount]; mTagEnds = new String[mTagCount]; mCodes = new int[mTagCount]; for (int i=0; i<mTagCount; i++) { mTagStarts[i] = tags[i].charAt(0); mTagEnds[i] = tags[i].substring(1); mCodes[i] = codes[i]; } mMinibuf = new char[maxLength(tags)]; } public int read() throws IOException { int c = mSource.read(); if (c == -1 || !mEscapesEnabled) { return c; } for (int i=0; i<mTagCount; i++) { if (mTagStarts[i] == c) { int length = mTagEnds[i].length(); mMinibuf[0] = (char)c; int len = mSource.read(mMinibuf, 0, length); if (len == length) { if (new String(mMinibuf, 0, length).equals(mTagEnds[i])) { return mCodes[i]; } } if (len > 0) { mSource.unread(len); } } } return c; } public static void main(String[] arg) throws Exception { Tester.test(arg); } private static class Tester { public static void test(String[] arg) throws Exception { String str = "This <%is a %> % > > % %% >> < % test.\n"; System.out.println("\nOriginal: " + str); System.out.println("\nConverted:\n"); Reader reader = new StringReader(str); TagReader tr = new TagReader (reader, new String[] {"<%", "%>"}, new int[] {-2, -3}); PositionReader pr = new PositionReader(tr); int c; System.out.print(pr.getNextPosition() + "\t"); while ( (c = pr.read()) != -1 ) { System.out.println((char)c + "\t" + c); System.out.print(pr.getNextPosition() + "\t"); } } } }