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| package org.apache.xindice.server.rpc.messages; |
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| import org.apache.xindice.core.Collection; |
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| import org.apache.xindice.core.data.NodeSet; |
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| import org.apache.xindice.core.query.QueryUtil; |
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| import org.apache.xindice.server.rpc.RPCDefaultMessage; |
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| import org.apache.xindice.xml.NamespaceMap; |
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| import java.util.HashMap; |
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| import java.util.Map; |
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| public class Query extends RPCDefaultMessage { |
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| public Map execute(Map message) throws Exception {
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| if (!message.containsKey(COLLECTION)) {
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| throw new Exception(MISSING_COLLECTION_PARAM);
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| } |
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| final String type = (String) message.get(TYPE);
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| if (type == null) {
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| throw new Exception(MISSING_TYPE_PARAM);
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| } |
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| final String query = (String) message.get(QUERY);
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| if (query == null) {
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| throw new Exception(MISSING_QUERY_PARAM);
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| } |
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| Collection col = getCollection((String) message.get(COLLECTION));
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| NamespaceMap nsMap = QueryUtil.mapNamespaces((Map) message.get(NAMESPACES));
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| NodeSet ns;
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| if (message.containsKey(NAME)) {
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| ns = col.queryDocument(type, query, nsMap, message.get(NAME));
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| } else { |
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| ns = col.queryCollection(type, query, nsMap);
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| } |
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| Map result = new HashMap(3);
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| result.put(RESULT, QueryUtil.queryResultsToString(ns));
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| return result;
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| } |
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| } |