StringSource.java revision 33d107bf315c9cc01a02a7a4a2c10a01f62e8c85
130ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni/* 230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * Copyright (C) 2011 The Android Open Source Project 330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * 430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * Licensed under the Apache License, Version 2.0 (the "License"); 530ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * you may not use this file except in compliance with the License. 630ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * You may obtain a copy of the License at 730ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * 830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * http://www.apache.org/licenses/LICENSE-2.0 930ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * 1030ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * Unless required by applicable law or agreed to in writing, software 1130ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * distributed under the License is distributed on an "AS IS" BASIS, 1230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * See the License for the specific language governing permissions and 1430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni * limitations under the License. 1530ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni */ 1630ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 1730ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 1830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceronipackage android.filterpacks.text; 1930ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 2030ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.filterfw.core.Filter; 21692c3bf7a1c7e2d5b1066cf7a1b057e993742c87Marius Rennimport android.filterfw.core.FilterContext; 2230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.filterfw.core.FilterParameter; 2330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.filterfw.core.Frame; 2430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.filterfw.core.FrameFormat; 2530ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.filterfw.core.KeyValueMap; 2630ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroniimport android.filterfw.core.MutableFrameFormat; 27692c3bf7a1c7e2d5b1066cf7a1b057e993742c87Marius Rennimport android.filterfw.core.JavaFrame; 2830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 2930ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceronipublic class StringSource extends Filter { 3030ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 3130ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni @FilterParameter(name = "stringValue", isOptional = false) 3230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni private String mString; 3330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 3430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni private FrameFormat mOutputFormat; 3530ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 3630ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni public StringSource(String name) { 3730ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni super(name); 3830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni } 3930ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 4033d107bf315c9cc01a02a7a4a2c10a01f62e8c85Wei Hua @Override 4130ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni public String[] getInputNames() { 4230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni return null; 4330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni } 4430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 4533d107bf315c9cc01a02a7a4a2c10a01f62e8c85Wei Hua @Override 4630ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni public String[] getOutputNames() { 4730ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni return new String[] { "string" }; 4830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni } 4930ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 5033d107bf315c9cc01a02a7a4a2c10a01f62e8c85Wei Hua @Override 51692c3bf7a1c7e2d5b1066cf7a1b057e993742c87Marius Renn public boolean acceptsInputFormat(int index, FrameFormat format) { 5230ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni return false; 5330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni } 5430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 5533d107bf315c9cc01a02a7a4a2c10a01f62e8c85Wei Hua @Override 56692c3bf7a1c7e2d5b1066cf7a1b057e993742c87Marius Renn public FrameFormat getOutputFormat(int index) { 5730ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni mOutputFormat = new FrameFormat(FrameFormat.TYPE_OBJECT, FrameFormat.TARGET_JAVA); 5830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni return mOutputFormat; 5930ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni } 6030ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 6133d107bf315c9cc01a02a7a4a2c10a01f62e8c85Wei Hua @Override 62692c3bf7a1c7e2d5b1066cf7a1b057e993742c87Marius Renn public int process(FilterContext env) { 6330ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni Frame output = env.getFrameManager().newEmptyFrame(mOutputFormat); 6430ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni output.setObjectValue(mString); 6530ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni putOutput(0, output); 6630ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni return Filter.STATUS_FINISHED; 6730ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni } 6830ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 6930ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni 7030ab3fc173709a491c9e2e103f53fb7c0d1b96b7Rodrigo Carceroni} 71