| 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.io.IOException; | |
| 36 | import java.util.Iterator; | |
| 37 | ||
| 38 | import javax.servlet.http.HttpServletRequest; | |
| 39 | import javax.servlet.http.HttpServletResponse; | |
| 40 | import javax.servlet.jsp.JspWriter; | |
| 41 | import javax.servlet.jsp.tagext.BodyContent; | |
| 42 | ||
| 43 | import org.chwf.servlet.ServletUtils; | |
| 44 | import org.chwf.taglib.base.LifeCycleBodyTagSupport; | |
| 45 | ||
| 46 | /** | |
| 47 | * Tag handler for the <code><link></code> tag. | |
| 48 | * | |
| 49 | * @author <a href="mailto:pfstrack@users.sourceforge.net">Paul Strack</a> | |
| 50 | */ | |
| 51 | 34 | public class LinkTag extends LifeCycleBodyTagSupport { |
| 52 | ||
| 53 | /** Link href. */ | |
| 54 | private String href; | |
| 55 | ||
| 56 | /** Buffer to generate the encoded link. */ | |
| 57 | 17 | private StringBuffer link = new StringBuffer(); |
| 58 | ||
| 59 | /** | |
| 60 | * Clean up data for tag handler reuse and pooling. Should be overridden in | |
| 61 | * tag handler. Subclasses should always invoke their superclass's cleanup | |
| 62 | * method: <code>super.cleanup()</code> | |
| 63 | */ | |
| 64 | public void cleanup() { | |
| 65 | 1 | super.cleanup(); |
| 66 | 1 | this.href = null; |
| 67 | 1 | } |
| 68 | ||
| 69 | /** | |
| 70 | * The link href. | |
| 71 | * | |
| 72 | * @param href The link href. | |
| 73 | */ | |
| 74 | public void setHref(String href) { | |
| 75 | 7 | this.href = href; |
| 76 | 7 | } |
| 77 | ||
| 78 | /** | |
| 79 | * The link href. | |
| 80 | * | |
| 81 | * @return The link href. | |
| 82 | */ | |
| 83 | public String getHref() { | |
| 84 | 7 | return this.href; |
| 85 | } | |
| 86 | ||
| 87 | // Generic html attributes | |
| 88 | ||
| 89 | /** | |
| 90 | * Pass-through attribute. Same meaning as "class" in HTML. | |
| 91 | * | |
| 92 | * @param value The attribute value. | |
| 93 | */ | |
| 94 | public void setStyleClass(String value) { | |
| 95 | 1 | addAttribute("class", value); |
| 96 | 1 | } |
| 97 | ||
| 98 | /** | |
| 99 | * Pass-through attribute. Same meaning as in HTML. | |
| 100 | * | |
| 101 | * @param value The attribute value. | |
| 102 | */ | |
| 103 | public void setId(String value) { | |
| 104 | 1 | addAttribute("id", value); |
| 105 | 1 | } |
| 106 | ||
| 107 | /** | |
| 108 | * Pass-through attribute. Same meaning as in HTML. | |
| 109 | * | |
| 110 | * @param value The attribute value. | |
| 111 | */ | |
| 112 | public void setLang(String value) { | |
| 113 | 1 | addAttribute("lang", value); |
| 114 | 1 | } |
| 115 | ||
| 116 | /** | |
| 117 | * Pass-through attribute. Same meaning as in HTML. | |
| 118 | * | |
| 119 | * @param value The attribute value. | |
| 120 | */ | |
| 121 | public void setStyle(String value) { | |
| 122 | 1 | addAttribute("style", value); |
| 123 | 1 | } |
| 124 | ||
| 125 | /** | |
| 126 | * Pass-through attribute. Same meaning as in HTML. | |
| 127 | * | |
| 128 | * @param value The attribute value. | |
| 129 | */ | |
| 130 | public void setTitle(String value) { | |
| 131 | 1 | addAttribute("title", value); |
| 132 | 1 | } |
| 133 | ||
| 134 | // <a>-specific html attributes | |
| 135 | ||
| 136 | /** | |
| 137 | * Pass-through attribute. Same meaning as in HTML. | |
| 138 | * | |
| 139 | * @param value The attribute value. | |
| 140 | */ | |
| 141 | public void setAccesskey(String value) { | |
| 142 | 1 | addAttribute("accesskey", value); |
| 143 | 1 | } |
| 144 | ||
| 145 | /** | |
| 146 | * Pass-through attribute. Same meaning as in HTML. | |
| 147 | * | |
| 148 | * @param value The attribute value. | |
| 149 | */ | |
| 150 | public void setName(String value) { | |
| 151 | 1 | addAttribute("name", value); |
| 152 | 1 | } |
| 153 | ||
| 154 | /** | |
| 155 | * Pass-through attribute. Same meaning as in HTML. | |
| 156 | * | |
| 157 | * @param value The attribute value. | |
| 158 | */ | |
| 159 | public void setTarget(String value) { | |
| 160 | 1 | addAttribute("target", value); |
| 161 | 1 | } |
| 162 | ||
| 163 | /** | |
| 164 | * Wraps the (trimmed) tag body with the defined element. | |
| 165 | * | |
| 166 | * @return EVAL_PAGE | |
| 167 | * @throws IOException For write errors. | |
| 168 | */ | |
| 169 | public int doEnd() throws IOException { | |
| 170 | // Begin <a> start tag: | |
| 171 | 5 | JspWriter out = getPreviousOut(); |
| 172 | 5 | out.print("<a href='"); |
| 173 | 5 | out.print(deriveLink()); |
| 174 | 5 | out.print("'"); |
| 175 | ||
| 176 | 5 | printAttributes(); |
| 177 | ||
| 178 | // Finish element start tag: | |
| 179 | 5 | out.print(">"); |
| 180 | ||
| 181 | // Print (trimmed) tag body content: | |
| 182 | 5 | BodyContent bodyContent = getBodyContent(); |
| 183 | 5 | if (bodyContent != null) { |
| 184 | 5 | out.print(bodyContent.getString().trim()); |
| 185 | } | |
| 186 | ||
| 187 | // Print <a> end tag: | |
| 188 | 5 | out.print("</a>"); |
| 189 | ||
| 190 | 5 | return EVAL_PAGE; |
| 191 | } | |
| 192 | ||
| 193 | /** | |
| 194 | * Derive and encode the link from the href and parameters. | |
| 195 | * | |
| 196 | * @return The link with parameters. | |
| 197 | */ | |
| 198 | private String deriveLink() { | |
| 199 | 5 | link.setLength(0); // Clear buffer |
| 200 | 5 | String href = getHref(); |
| 201 | 5 | if (href.charAt(0) == '/') { |
| 202 | 1 | HttpServletRequest request = |
| 203 | (HttpServletRequest) pageContext.getRequest(); | |
| 204 | 1 | link.append(request.getContextPath()); |
| 205 | } | |
| 206 | 5 | link.append(href); |
| 207 | 5 | Iterator parameters = this.getParameterNames(); |
| 208 | ||
| 209 | 5 | if (parameters.hasNext()) { |
| 210 | 2 | String name = (String) parameters.next(); |
| 211 | 2 | link.append('?'); |
| 212 | 2 | link.append(ServletUtils.encode(name)); |
| 213 | 2 | link.append('='); |
| 214 | 2 | link.append(ServletUtils.encode(getParameter(name))); |
| 215 | } | |
| 216 | ||
| 217 | 6 | while (parameters.hasNext()) { |
| 218 | 1 | String name = (String) parameters.next(); |
| 219 | 1 | link.append('&'); |
| 220 | 1 | link.append(ServletUtils.encode(name)); |
| 221 | 1 | link.append('='); |
| 222 | 1 | link.append(ServletUtils.encode(getParameter(name))); |
| 223 | } | |
| 224 | ||
| 225 | 5 | HttpServletResponse response = |
| 226 | (HttpServletResponse) pageContext.getResponse(); | |
| 227 | 5 | return response.encodeURL(link.toString()); |
| 228 | } | |
| 229 | } |
|
this report was generated by version 1.0.5 of jcoverage. |
copyright © 2003, jcoverage ltd. all rights reserved. |