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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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} |