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| package org.apache.tapestry.portlet.bindings; |
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| import java.util.Map; |
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| import javax.portlet.PortletRequest; |
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| import org.apache.hivemind.ApplicationRuntimeException; |
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| import org.apache.hivemind.Location; |
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| import org.apache.hivemind.util.Defense; |
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| import org.apache.tapestry.binding.AbstractBinding; |
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| import org.apache.tapestry.coerce.ValueConverter; |
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| public class UserAttributeBinding extends AbstractBinding |
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| { |
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| private PortletRequest _request; |
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| |
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| private String _attributeName; |
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| public UserAttributeBinding(String description, ValueConverter valueConverter,
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| Location location, PortletRequest request, String attributeName) |
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| { |
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| super(description, valueConverter, location);
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| Defense.notNull(request, "request");
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| Defense.notNull(attributeName, "attributeName");
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| _request = request;
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| _attributeName = attributeName;
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| } |
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| public boolean isInvariant()
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| { |
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| return false;
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| } |
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| private Map getUserInfo()
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| { |
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| Map result = (Map) _request.getAttribute(PortletRequest.USER_INFO);
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| if (result == null)
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| throw new ApplicationRuntimeException(BindingsMessages.noUserInfo(), getLocation(),
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| null); |
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| return result;
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| } |
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| public Object getObject()
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| { |
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| return getUserInfo().get(_attributeName);
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| } |
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| public void setObject(Object value)
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| { |
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| String asString = (String) getValueConverter().coerceValue(value, String.class);
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| getUserInfo().put(_attributeName, asString);
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| } |
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| } |