Showing the changes to java/pkg/com/sun/beans/decoder/CharElementHandler.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | +package com.sun.beans.decoder; | |
| 26 | + | |
| 27 | +/** | |
| 28 | + * This class is intended to handle <char> element. | |
| 29 | + * This element specifies {@code char} values. | |
| 30 | + * The class {@link Character} is used as wrapper for these values. | |
| 31 | + * The result value is created from text of the body of this element. | |
| 32 | + * The body parsing is described in the class {@link StringElementHandler}. | |
| 33 | + * For example:<pre> | |
| 34 | + * <char>X</char></pre> | |
| 35 | + * which is equivalent to {@code Character.valueOf('X')} in Java code. | |
| 36 | + * <p>The following atributes are supported: | |
| 37 | + * <dl> | |
| 38 | + * <dt>code | |
| 39 | + * <dd>this attribute specifies character code | |
| 40 | + * <dt>id | |
| 41 | + * <dd>the identifier of the variable that is intended to store the result | |
| 42 | + * </dl> | |
| 43 | + * The {@code code} attribute can be used for characters | |
| 44 | + * that are illegal in XML document, for example:<pre> | |
| 45 | + * <char code="0"/></pre> | |
| 46 | + * | |
| 47 | + * @since 1.7 | |
| 48 | + * | |
| 49 | + * @author Sergey A. Malenkov | |
| 50 | + */ | |
| 51 | +final class CharElementHandler extends StringElementHandler { | |
| 52 | + | |
| 53 | + /** | |
| 54 | + * Parses attributes of the element. | |
| 55 | + * The following atributes are supported: | |
| 56 | + * <dl> | |
| 57 | + * <dt>code | |
| 58 | + * <dd>this attribute specifies character code | |
| 59 | + * <dt>id | |
| 60 | + * <dd>the identifier of the variable that is intended to store the result | |
| 61 | + * </dl> | |
| 62 | + * | |
| 63 | + * @param name the attribute name | |
| 64 | + * @param value the attribute value | |
| 65 | + */ | |
| 66 | + @Override | |
| 67 | + public void addAttribute(String name, String value) { | |
| 68 | + if (name.equals("code")) { // NON-NLS: the attribute name | |
| 69 | + int code = Integer.decode(value); | |
| 70 | + for (char ch : Character.toChars(code)) { | |
| 71 | + addCharacter(ch); | |
| 72 | + } | |
| 73 | + } else { | |
| 74 | + super.addAttribute(name, value); | |
| 75 | + } | |
| 76 | + } | |
| 77 | + | |
| 78 | + /** | |
| 79 | + * Creates {@code char} value from | |
| 80 | + * the text of the body of this element. | |
| 81 | + * | |
| 82 | + * @param argument the text of the body | |
| 83 | + * @return evaluated {@code char} value | |
| 84 | + */ | |
| 85 | + @Override | |
| 86 | + public Object getValue(String argument) { | |
| 87 | + if (argument.length() != 1) { | |
| 88 | + throw new IllegalArgumentException("Wrong characters count"); | |
| 89 | + } | |
| 90 | + return Character.valueOf(argument.charAt(0)); | |
| 91 | + } | |
| 92 | +} | |