| Line | Hits | Source |
|---|---|---|
| 1 | /* | |
| 2 | Chrysalis Web Framework [http://chrysalis.sourceforge.net] | |
| 3 | Copyright (c) 2002, 2003, 2004, Paul Strack | |
| 4 | ||
| 5 | All rights reserved. | |
| 6 | ||
| 7 | Redistribution and use in source and binary forms, with or without | |
| 8 | modification, are permitted provided that the following conditions are met: | |
| 9 | ||
| 10 | 1. Redistributions of source code must retain the above copyright notice, this | |
| 11 | list of conditions and the following disclaimer. | |
| 12 | ||
| 13 | 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 14 | this list of conditions and the following disclaimer in the documentation | |
| 15 | and/or other materials provided with the distribution. | |
| 16 | ||
| 17 | 3. Neither the name of the copyright holder nor the names of its contributors | |
| 18 | may be used to endorse or promote products derived from this software without | |
| 19 | specific prior written permission. | |
| 20 | ||
| 21 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | |
| 22 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 23 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 24 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR | |
| 25 | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 26 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 27 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
| 28 | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 29 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 30 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 31 | */ | |
| 32 | ||
| 33 | package org.chwf.taglib.jhtml; | |
| 34 | ||
| 35 | import java.util.HashMap; | |
| 36 | import java.util.Map; | |
| 37 | import java.util.StringTokenizer; | |
| 38 | ||
| 39 | import javax.servlet.jsp.JspException; | |
| 40 | ||
| 41 | import org.chwf.servlet.ServletUtils; | |
| 42 | import org.chwf.taglib.base.LifeCycleTagSupport; | |
| 43 | ||
| 44 | /** | |
| 45 | * Tag handler for the <code><fieldPattern></code> tag. | |
| 46 | * | |
| 47 | * @author <a href="mailto:pfstrack@users.sourceforge.net">Paul Strack</a> | |
| 48 | */ | |
| 49 | 11 | public class FieldPatternTag extends LifeCycleTagSupport { |
| 50 | ||
| 51 | /** Key for input insert point. */ | |
| 52 | public static final String INPUT_KEY = "input"; | |
| 53 | ||
| 54 | /** Key for label insert point. */ | |
| 55 | public static final String LABEL_KEY = "label"; | |
| 56 | ||
| 57 | /** Key for error insert point. */ | |
| 58 | public static final String ERROR_KEY = "error"; | |
| 59 | ||
| 60 | /** Key used to cache normal pattern in the page context. */ | |
| 61 | public static final String NORMAL_PATTERN_KEY = | |
| 62 | "org.chwf.taglib.jhtml.FieldPatternTag.NORMAL_PATTERN_KEY"; | |
| 63 | ||
| 64 | /** Key used to cache error pattern in the page context. */ | |
| 65 | public static final String ERROR_PATTERN_KEY = | |
| 66 | "org.chwf.taglib.jhtml.FieldPatternTag.ERROR_PATTERN_KEY"; | |
| 67 | ||
| 68 | /** Pattern for normal fields. */ | |
| 69 | private String normalPattern; | |
| 70 | ||
| 71 | /** Pattern for fields with errors. */ | |
| 72 | private String errorPattern; | |
| 73 | ||
| 74 | /** | |
| 75 | * Clean up data for tag handler reuse and pooling. Should be overridden in | |
| 76 | * tag handler. Subclasses should always invoke their superclass's cleanup | |
| 77 | * method: <code>super.cleanup()</code> | |
| 78 | */ | |
| 79 | public void cleanup() { | |
| 80 | 1 | super.cleanup(); |
| 81 | 1 | this.normalPattern = null; |
| 82 | 1 | this.errorPattern = null; |
| 83 | 1 | } |
| 84 | ||
| 85 | /** | |
| 86 | * Set the normal pattern. | |
| 87 | * | |
| 88 | * @param normalPattern The normal pattern. | |
| 89 | */ | |
| 90 | public void setNormal(String normalPattern) { | |
| 91 | 5 | this.normalPattern = normalPattern; |
| 92 | 5 | } |
| 93 | ||
| 94 | /** | |
| 95 | * Set the error pattern. | |
| 96 | * | |
| 97 | * @param errorPattern The error pattern. | |
| 98 | */ | |
| 99 | public void setError(String errorPattern) { | |
| 100 | 5 | this.errorPattern = errorPattern; |
| 101 | 5 | } |
| 102 | ||
| 103 | /** | |
| 104 | * Creates the object. | |
| 105 | * | |
| 106 | * @return SKIP_BODY | |
| 107 | * @throws JspException For IO exceptions. | |
| 108 | */ | |
| 109 | public int doStart() throws JspException { | |
| 110 | 3 | ServletUtils.setPageAttribute( |
| 111 | pageContext, | |
| 112 | NORMAL_PATTERN_KEY, | |
| 113 | getNormalPattern()); | |
| 114 | 3 | ServletUtils.setPageAttribute( |
| 115 | pageContext, | |
| 116 | ERROR_PATTERN_KEY, | |
| 117 | getErrorPattern()); | |
| 118 | 3 | return SKIP_BODY; |
| 119 | } | |
| 120 | ||
| 121 | /** | |
| 122 | * Get the (split) normal pattern. | |
| 123 | * | |
| 124 | * @return The normal pattern. | |
| 125 | */ | |
| 126 | public String[] getNormalPattern() { | |
| 127 | 6 | return splitPattern(this.normalPattern); |
| 128 | } | |
| 129 | ||
| 130 | /** | |
| 131 | * Get the (split) error pattern. | |
| 132 | * | |
| 133 | * @return The normal pattern. | |
| 134 | */ | |
| 135 | public String[] getErrorPattern() { | |
| 136 | 6 | return splitPattern(this.errorPattern); |
| 137 | } | |
| 138 | ||
| 139 | /** Map caching split pattern. */ | |
| 140 | 1 | private static final Map PATTERN_MAP = new HashMap(); |
| 141 | ||
| 142 | /** | |
| 143 | * Split the specified pattern into its individual elements. Pattern keys | |
| 144 | * ("input", "label" and "error") are assigned values suitable for "==" | |
| 145 | * comparison for greater efficiency. | |
| 146 | * | |
| 147 | * @param pattern The pattern. | |
| 148 | * @return The split pattern. | |
| 149 | */ | |
| 150 | public static String[] splitPattern(String pattern) { | |
| 151 | 13 | if (pattern == null) { |
| 152 | 4 | return null; |
| 153 | } | |
| 154 | 9 | String[] array = null; |
| 155 | 9 | synchronized (PATTERN_MAP) { |
| 156 | 9 | array = (String[]) PATTERN_MAP.get(pattern); |
| 157 | 9 | if (array == null) { |
| 158 | 4 | StringTokenizer tokenizer = new StringTokenizer(pattern, "{}"); |
| 159 | 4 | array = new String[tokenizer.countTokens()]; |
| 160 | 4 | int count = 0; |
| 161 | 22 | while (tokenizer.hasMoreTokens()) { |
| 162 | 14 | String token = tokenizer.nextToken(); |
| 163 | 14 | if (token.equals(INPUT_KEY)) { |
| 164 | 2 | array[count] = INPUT_KEY; |
| 165 | 12 | } else if (token.equals(LABEL_KEY)) { |
| 166 | 2 | array[count] = LABEL_KEY; |
| 167 | 10 | } else if (token.equals(ERROR_KEY)) { |
| 168 | 2 | array[count] = ERROR_KEY; |
| 169 | } else { | |
| 170 | 8 | array[count] = token; |
| 171 | } | |
| 172 | 14 | count++; |
| 173 | } | |
| 174 | 4 | PATTERN_MAP.put(pattern, array); |
| 175 | } | |
| 176 | 9 | } |
| 177 | 9 | return array; |
| 178 | } | |
| 179 | } |
|
this report was generated by version 1.0.5 of jcoverage. |
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