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| package org.apache.tapestry.portlet; |
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| import javax.portlet.PortletURL; |
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| |
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| import org.apache.hivemind.util.Defense; |
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| import org.apache.tapestry.IRequestCycle; |
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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 IRequestCycle _cycle; |
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| |
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| private final PortletURL _portletURL; |
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| |
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| private final boolean _stateful; |
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| |
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| private final QueryParameterMap _parameters; |
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| |
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| public PortletLink(IRequestCycle cycle, PortletURL portletURL, QueryParameterMap parameters,
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| boolean stateful) |
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| { |
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| Defense.notNull(cycle, "cycle");
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| Defense.notNull(portletURL, "portletURL");
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| Defense.notNull(parameters, "parameters");
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| _cycle = cycle;
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| _portletURL = portletURL;
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| _parameters = parameters;
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| _stateful = stateful;
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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)
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| loadParameters();
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| String url = _portletURL.toString();
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| url = unencode(url);
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| if (_stateful)
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| url = _cycle.encodeURL(url);
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| if (anchor != null)
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| 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)
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| 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)
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| _portletURL.setParameter(name, values);
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| } |
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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.unsupportedMethod("getAbsoluteURL"));
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| } |
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| public String getAbsoluteURL(String scheme, String server, int port, String anchor,
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| boolean includeParameters) |
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| { |
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| throw new UnsupportedOperationException(PortletMessages.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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| } |