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package org.seasar.teeda.core.render.html; |
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import java.io.IOException; |
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import java.net.URLEncoder; |
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import java.util.Iterator; |
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import javax.faces.component.UIComponent; |
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import javax.faces.component.UIParameter; |
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import javax.faces.component.html.HtmlOutputLink; |
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import javax.faces.context.FacesContext; |
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import javax.faces.context.ResponseWriter; |
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import javax.faces.internal.IgnoreAttribute; |
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import javax.faces.internal.WindowIdUtil; |
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import org.seasar.teeda.core.JsfConstants; |
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import org.seasar.teeda.core.render.AbstractRenderer; |
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import org.seasar.teeda.core.render.html.support.UrlBuilder; |
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import org.seasar.teeda.core.util.RendererUtil; |
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import org.seasar.teeda.core.util.ValueHolderUtil; |
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39 | 45 | public class HtmlOutputLinkRenderer extends AbstractRenderer { |
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public static final String COMPONENT_FAMILY = "javax.faces.Output"; |
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public static final String RENDERER_TYPE = "javax.faces.Link"; |
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45 | 45 | private final IgnoreAttribute ignoreComponent = new IgnoreAttribute(); |
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{ |
47 | 45 | ignoreComponent.addAttributeName(JsfConstants.ID_ATTR); |
48 | 45 | ignoreComponent.addAttributeName(JsfConstants.VALUE_ATTR); |
49 | 45 | } |
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public void encodeBegin(FacesContext context, UIComponent component) |
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throws IOException { |
53 | 21 | assertNotNull(context, component); |
54 | 19 | if (!component.isRendered()) { |
55 | 1 | return; |
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} |
57 | 18 | encodeHtmlOutputLinkBegin(context, (HtmlOutputLink) component); |
58 | 18 | } |
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protected void encodeHtmlOutputLinkBegin(FacesContext context, |
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HtmlOutputLink htmlOutputLink) throws IOException { |
62 | 18 | ResponseWriter writer = context.getResponseWriter(); |
63 | 18 | final String encoding = writer.getCharacterEncoding(); |
64 | 18 | final String href = buildHref(context, htmlOutputLink, encoding); |
65 | 18 | writer.startElement(JsfConstants.ANCHOR_ELEM, htmlOutputLink); |
66 | 18 | RendererUtil.renderIdAttributeIfNecessary(writer, htmlOutputLink, |
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getIdForRender(context, htmlOutputLink)); |
68 | 18 | renderHref(context, writer, href); |
69 | 18 | renderRemainAttributes(htmlOutputLink, writer, ignoreComponent); |
70 | 18 | } |
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protected void renderHref(final FacesContext context, |
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final ResponseWriter writer, final String href) throws IOException { |
74 | 18 | writer.writeURIAttribute(JsfConstants.HREF_ATTR, href, null); |
75 | 18 | } |
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protected String buildHref(FacesContext context, |
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HtmlOutputLink htmlOutputLink, String encoding) throws IOException { |
79 | 18 | UrlBuilder urlBuilder = new UrlBuilder(); |
80 | 18 | urlBuilder.setBase(ValueHolderUtil.getValueForRender(context, |
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htmlOutputLink)); |
82 | 18 | for (Iterator it = htmlOutputLink.getChildren().iterator(); it |
83 | 26 | .hasNext();) { |
84 | 8 | UIComponent child = (UIComponent) it.next(); |
85 | 8 | if (child instanceof UIParameter) { |
86 | 7 | UIParameter parameter = (UIParameter) child; |
87 | 7 | urlBuilder.add( |
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URLEncoder.encode(parameter.getName(), encoding), |
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URLEncoder.encode(toBlankIfNull(parameter.getValue()), |
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encoding)); |
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} |
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} |
93 | 18 | if (WindowIdUtil.isNewWindowTarget(htmlOutputLink.getTarget())) { |
94 | 2 | urlBuilder.add(WindowIdUtil.NEWWINDOW, JsfConstants.TRUE); |
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} |
96 | 18 | return context.getExternalContext().encodeResourceURL( |
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urlBuilder.build()); |
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} |
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protected String toBlankIfNull(final Object value) { |
101 | 7 | if (value == null) { |
102 | 0 | return ""; |
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} |
104 | 7 | return value.toString(); |
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} |
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public void encodeEnd(FacesContext context, UIComponent component) |
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throws IOException { |
109 | 21 | assertNotNull(context, component); |
110 | 19 | if (!component.isRendered()) { |
111 | 1 | return; |
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} |
113 | 18 | encodeHtmlOutputLinkEnd(context, (HtmlOutputLink) component); |
114 | 18 | } |
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protected void encodeHtmlOutputLinkEnd(FacesContext context, |
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HtmlOutputLink link) throws IOException { |
118 | 18 | ResponseWriter writer = context.getResponseWriter(); |
119 | 18 | writer.endElement(JsfConstants.ANCHOR_ELEM); |
120 | 18 | } |
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public boolean getRendersChildren() { |
123 | 20 | return true; |
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} |
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} |