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Java example source code file (Misc.java)
The Misc.java Java example source code/* * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * The Original Code is HAT. The Initial Developer of the * Original Code is Bill Foote, with contributions from others * at JavaSoft/Sun. */ package com.sun.tools.hat.internal.util; import java.util.*; /** * Miscellaneous functions I couldn't think of a good place to put. * * @author Bill Foote */ public class Misc { private static char[] digits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }; public final static String toHex(int addr) { char[] buf = new char[8]; int i = 0; for (int s = 28; s >= 0; s -= 4) { buf[i++] = digits[(addr >> s) & 0xf]; } return "0x" + new String(buf); } public final static String toHex(long addr) { return "0x" + Long.toHexString(addr); } public final static long parseHex(String value) { long result = 0; if (value.length() < 2 || value.charAt(0) != '0' || value.charAt(1) != 'x') { return -1L; } for(int i = 2; i < value.length(); i++) { result *= 16; char ch = value.charAt(i); if (ch >= '0' && ch <= '9') { result += (ch - '0'); } else if (ch >= 'a' && ch <= 'f') { result += (ch - 'a') + 10; } else if (ch >= 'A' && ch <= 'F') { result += (ch - 'A') + 10; } else { throw new NumberFormatException("" + ch + " is not a valid hex digit"); } } return result; } public static String encodeHtml(String str) { final int len = str.length(); StringBuffer buf = new StringBuffer(); for (int i = 0; i < len; i++) { char ch = str.charAt(i); if (ch == '<') { buf.append("<"); } else if (ch == '>') { buf.append(">"); } else if (ch == '"') { buf.append("""); } else if (ch == '\'') { buf.append("'"); } else if (ch == '&') { buf.append("&"); } else if (ch < ' ') { buf.append("" + Integer.toString(ch) + ";"); } else { int c = (ch & 0xFFFF); if (c > 127) { buf.append("" + Integer.toString(c) + ";"); } else { buf.append(ch); } } } return buf.toString(); } } Other Java examples (source code examples)Here is a short list of links related to this Java Misc.java source code file: |
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