// Copyright 2010 Google Inc. // // Licensed 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.google.enterprise.connector.util.diffing; import com.google.enterprise.connector.spi.Document; import com.google.enterprise.connector.spi.SpiConstants; import org.json.JSONException; import org.json.JSONObject; /** * A {@link DocumentHandle} implementation for deleting documents. * * @since 2.8 */ public class DeleteDocumentHandle implements DocumentHandle { static enum Field { DOCUMENT_ID } private final String documentId; /** * Construct a DeleteDocumentHandle for a {@code documentId}. * * @param documentId the deleted document */ DeleteDocumentHandle(String documentId) { if (documentId == null) { throw new IllegalArgumentException(); } this.documentId = documentId; } @Override public Document getDocument() { GenericDocument result = new GenericDocument(); result.setProperty(SpiConstants.PROPNAME_ACTION, SpiConstants.ActionType.DELETE.toString()); result.setProperty(SpiConstants.PROPNAME_DOCID, documentId); return result; } private JSONObject getJson() { JSONObject result = new JSONObject(); try { result.put(Field.DOCUMENT_ID.name(), documentId); return result; } catch (JSONException e) { // Should ever happen. throw new RuntimeException("internal error: failed to create JSON", e); } } @Override public String getDocumentId() { return documentId; } @Override public String toString() { return getJson().toString(); } }