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| package org.apache.tapestry.util.io; |
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| import org.apache.hivemind.ApplicationRuntimeException; |
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| import org.apache.tapestry.Tapestry; |
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| import org.apache.tapestry.services.DataSqueezer; |
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| import org.apache.tapestry.util.ComponentAddress; |
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| public class ComponentAddressAdaptor implements SqueezeAdaptor |
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| { |
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| private static final String PREFIX = "A"; |
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| private static final char SEPARATOR = ','; |
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| public String getPrefix()
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| { |
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| return PREFIX;
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| } |
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| public Class getDataClass()
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| { |
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| return ComponentAddress.class;
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| } |
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| public String squeeze(DataSqueezer squeezer, Object data)
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| { |
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| ComponentAddress address = (ComponentAddress) data;
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| String idPath = address.getIdPath();
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| if (idPath == null)
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| idPath = "";
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| return PREFIX + address.getPageName() + SEPARATOR + idPath;
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| } |
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| public Object unsqueeze(DataSqueezer squeezer, String string)
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| { |
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| int separator = string.indexOf(SEPARATOR);
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| if (separator < 0)
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| throw new ApplicationRuntimeException(Tapestry
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| .getMessage("ComponentAddressAdaptor.no-separator")); |
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| String pageName = string.substring(1, separator);
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| String idPath = string.substring(separator + 1);
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| if (idPath.equals(""))
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| idPath = null;
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| return new ComponentAddress(pageName, idPath);
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| } |
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| } |