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package org.apache.tapestry.portlet; |
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import javax.portlet.PortletURL; |
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import org.apache.hivemind.util.Defense; |
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import org.apache.tapestry.engine.ILink; |
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import org.apache.tapestry.util.QueryParameterMap; |
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public class PortletLink implements ILink |
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{ |
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private final PortletURL _portletURL; |
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private final QueryParameterMap _parameters; |
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public PortletLink(PortletURL portletURL, QueryParameterMap parameters) |
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{ |
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Defense.notNull(portletURL, "portletURL"); |
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Defense.notNull(parameters, "parameters"); |
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_portletURL = portletURL; |
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_parameters = parameters; |
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} |
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public String getURL() |
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{ |
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return getURL(null, true); |
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} |
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public String getURL(String anchor, boolean includeParameters) |
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{ |
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if (includeParameters) loadParameters(); |
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String url = _portletURL.toString(); |
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url = unencode(url); |
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if (anchor != null) url = url + "#" + anchor; |
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return url; |
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} |
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private String unencode(String url) |
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{ |
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StringBuffer buffer = new StringBuffer(url.length()); |
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String text = url; |
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while(true) |
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{ |
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int ampx = text.indexOf("&"); |
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if (ampx < 0) break; |
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buffer.append(text.substring(0, ampx + 1)); |
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text = text.substring(ampx + 5); |
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} |
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buffer.append(text); |
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return buffer.toString(); |
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} |
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private void loadParameters() |
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{ |
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String[] names = _parameters.getParameterNames(); |
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for(int i = 0; i < names.length; i++) |
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{ |
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String name = names[i]; |
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String[] values = _parameters.getParameterValues(name); |
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if (values != null) _portletURL.setParameter(name, values); |
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} |
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} |
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public String getURL(String scheme, String server, int port, String anchor, |
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boolean includeParameters) |
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{ |
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return getURL(anchor, includeParameters); |
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} |
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public String getAbsoluteURL() |
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{ |
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throw new UnsupportedOperationException(PortletMessages |
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.unsupportedMethod("getAbsoluteURL")); |
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} |
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public String getAbsoluteURL(String scheme, String server, int port, |
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String anchor, boolean includeParameters) |
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{ |
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throw new UnsupportedOperationException(PortletMessages |
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.unsupportedMethod("getAbsoluteURL")); |
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} |
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public String[] getParameterNames() |
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{ |
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return _parameters.getParameterNames(); |
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} |
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public String[] getParameterValues(String name) |
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{ |
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return _parameters.getParameterValues(name); |
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} |
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} |