/* See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * Esri Inc. licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.esri.gpt.control.webharvest.client.atom; import java.util.logging.Logger; import com.esri.gpt.catalog.harvest.protocols.HarvestProtocolAtom; import com.esri.gpt.control.webharvest.IterationContext; import com.esri.gpt.control.webharvest.common.CommonCapabilities; import com.esri.gpt.framework.resource.api.Native; import com.esri.gpt.framework.resource.query.Capabilities; import com.esri.gpt.framework.resource.query.Criteria; import com.esri.gpt.framework.resource.query.Query; import com.esri.gpt.framework.resource.query.QueryBuilder; import com.esri.gpt.framework.util.Val; /** * Atom query builder. */ public class AtomQueryBuilder implements QueryBuilder { /** logger */ private static final Logger LOGGER = Logger.getLogger(AtomQuery.class.getCanonicalName()); /** capabilities */ private static final Capabilities capabilities = new AtomCommonCapabilities(); /** iteration context */ private IterationContext context; /** service info */ private BaseAtomInfo info; /** * Creates instance of the builder. * @param context iteration context * @param protocol harvest protocol * @param url url * @throws Exception */ public AtomQueryBuilder(IterationContext context, HarvestProtocolAtom protocol, String url) { if (context == null) throw new IllegalArgumentException("No context provided."); this.context = context; try{ String atomInfoProcessorClassName = protocol.getAtomType(); if (atomInfoProcessorClassName.length() == 0) { String[] parts = url.split("atomInfoProcessorClassName="); if (parts != null && parts.length >= 2) { atomInfoProcessorClassName = Val.chkStr(parts[1]); int idx = atomInfoProcessorClassName.indexOf("&"); if (idx == -1) { atomInfoProcessorClassName = atomInfoProcessorClassName.substring(0); } else { atomInfoProcessorClassName = atomInfoProcessorClassName.substring(0, idx); } } } if (atomInfoProcessorClassName.length() == 0) { atomInfoProcessorClassName = "com.esri.gpt.control.webharvest.client.atom.OpenSearchAtomInfoProcessor"; } Class<?> clsAdapter; clsAdapter = Class.forName(atomInfoProcessorClassName); Object atomInfoProcessorObj = clsAdapter.newInstance(); if (atomInfoProcessorObj instanceof IAtomInfoProcessor) { IAtomInfoProcessor atomInfoProcessor = ((IAtomInfoProcessor) atomInfoProcessorObj); atomInfoProcessor.preInitialize(); this.info = atomInfoProcessor.initializeAtomInfo(protocol,url); atomInfoProcessor.postCreate(this.info); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } public Capabilities getCapabilities() { return capabilities; } public Query newQuery(Criteria crt) { AtomProxy proxy = new AtomProxy(info); Query q = new AtomQuery(context, info, proxy, crt); LOGGER.finer("Query created: " + q); return q; } public Native getNativeResource() { AtomProxy proxy = new AtomProxy(info); return proxy.getNativeResource(); } /** * Atom capabilities. */ private static class AtomCommonCapabilities extends CommonCapabilities { @Override public boolean canQueryFromDate() { return true; } @Override public boolean canQueryToDate() { return true; } @Override public boolean canQueryMaxRecords() { return true; } } }