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package org.seasar.cubby.tags; |
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import static org.seasar.cubby.CubbyConstants.ATTR_CONTEXT_PATH; |
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import static org.seasar.cubby.tags.TagUtils.toAttr; |
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import java.io.IOException; |
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import java.util.HashMap; |
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import java.util.Map; |
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import javax.servlet.http.HttpServletResponse; |
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import javax.servlet.jsp.JspException; |
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import javax.servlet.jsp.JspWriter; |
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import javax.servlet.jsp.PageContext; |
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import javax.servlet.jsp.tagext.BodyContent; |
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import javax.servlet.jsp.tagext.BodyTagSupport; |
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import javax.servlet.jsp.tagext.DynamicAttributes; |
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39 | 4 | public class LinkTag extends BodyTagSupport implements DynamicAttributes, |
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ParamParent { |
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private static final long serialVersionUID = 1L; |
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46 | 4 | private final Map<String, Object> attrs = new HashMap<String, Object>(); |
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49 | 4 | private final LinkSupport linkSupport = new LinkSupport(); |
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private String tag; |
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private String attr; |
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58 | 4 | private boolean encodeURL = true; |
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public void setDynamicAttribute(final String uri, final String localName, |
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final Object value) throws JspException { |
65 | 0 | this.attrs.put(localName, value); |
66 | 0 | } |
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public void setTag(final String tag) { |
75 | 2 | this.tag = tag; |
76 | 2 | } |
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public void setAttr(final String attr) { |
85 | 2 | this.attr = attr; |
86 | 2 | } |
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public void setActionClass(final String actionClass) { |
95 | 4 | linkSupport.setActionClassName(actionClass); |
96 | 4 | } |
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public void setActionMethod(final String actionMethod) { |
105 | 4 | linkSupport.setActionMethodName(actionMethod); |
106 | 4 | } |
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public void setEncodeURL(final boolean encodeURL) { |
116 | 0 | this.encodeURL = encodeURL; |
117 | 0 | } |
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public void addParameter(final String name, final String value) { |
128 | 4 | linkSupport.addParameter(name, value); |
129 | 4 | } |
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@Override |
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public int doStartTag() throws JspException { |
136 | 4 | return EVAL_BODY_BUFFERED; |
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} |
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@Override |
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public int doEndTag() throws JspException { |
144 | 4 | final String contextPath = (String) pageContext.getAttribute( |
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ATTR_CONTEXT_PATH, PageContext.REQUEST_SCOPE); |
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final String url; |
147 | 4 | if (encodeURL) { |
148 | 4 | final HttpServletResponse response = (HttpServletResponse) pageContext |
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.getResponse(); |
150 | 4 | url = response.encodeURL(contextPath + linkSupport.getPath()); |
151 | 4 | } else { |
152 | 0 | url = contextPath + linkSupport.getPath(); |
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} |
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try { |
156 | 4 | final JspWriter out = pageContext.getOut(); |
157 | 4 | if (tag == null) { |
158 | 2 | out.write(url); |
159 | 2 | final BodyContent bodyContent = getBodyContent(); |
160 | 2 | if (bodyContent != null) { |
161 | 2 | bodyContent.writeOut(out); |
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} |
163 | 2 | } else { |
164 | 2 | attrs.put(attr, url); |
165 | 2 | out.write("<"); |
166 | 2 | out.write(tag); |
167 | 2 | out.write(" "); |
168 | 2 | out.write(toAttr(attrs)); |
169 | 2 | out.write(">"); |
170 | 2 | final BodyContent bodyContent = getBodyContent(); |
171 | 2 | if (bodyContent != null) { |
172 | 2 | bodyContent.writeOut(out); |
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} |
174 | 2 | out.write("</"); |
175 | 2 | out.write(tag); |
176 | 2 | out.write(">"); |
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} |
178 | 0 | } catch (final IOException e) { |
179 | 0 | throw new JspException(e); |
180 | 4 | } |
181 | 4 | reset(); |
182 | 4 | return EVAL_PAGE; |
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} |
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private void reset() { |
189 | 4 | linkSupport.clear(); |
190 | 4 | attrs.clear(); |
191 | 4 | tag = null; |
192 | 4 | attr = null; |
193 | 4 | encodeURL = true; |
194 | 4 | } |
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} |