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| package org.apache.tapestry.asset; |
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| import java.io.InputStream; |
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| import java.net.URL; |
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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.Resource; |
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| import org.apache.hivemind.util.Defense; |
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| import org.apache.tapestry.IAsset; |
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| import org.apache.tapestry.IRequestCycle; |
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| import org.apache.tapestry.Tapestry; |
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| public class ContextAsset extends AbstractAsset implements IAsset |
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| { |
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| private String _contextPath; |
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| private String _resolvedURL; |
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| public ContextAsset(String contextPath, Resource resource, Location location)
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| { |
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| super(resource, location);
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| Defense.notNull(contextPath, "contextPath");
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| _contextPath = contextPath;
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| } |
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| public String buildURL(IRequestCycle cycle)
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| { |
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| if (_resolvedURL == null)
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| _resolvedURL = _contextPath + getResourceLocation().getPath();
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| return _resolvedURL;
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| } |
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| public InputStream getResourceAsStream(IRequestCycle cycle)
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| { |
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| try
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| { |
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| URL url = getResourceLocation().getResourceURL();
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| return url.openStream();
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| } |
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| catch (Exception ex) |
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| { |
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| throw new ApplicationRuntimeException(Tapestry.format(
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| "ContextAsset.resource-missing", |
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| getResourceLocation()), ex); |
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| } |
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| } |
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| } |