1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 18 package android.filterpacks.text; 19 20 import android.filterfw.core.Filter; 21 import android.filterfw.core.FilterContext; 22 import android.filterfw.core.Frame; 23 import android.filterfw.core.FrameFormat; 24 import android.filterfw.format.ObjectFormat; 25 26 import java.util.Locale; 27 28 /** 29 * @hide 30 */ 31 public class ToUpperCase extends Filter { 32 33 private FrameFormat mOutputFormat; 34 35 public ToUpperCase(String name) { 36 super(name); 37 } 38 39 @Override 40 public void setupPorts() { 41 mOutputFormat = ObjectFormat.fromClass(String.class, FrameFormat.TARGET_SIMPLE); 42 addMaskedInputPort("mixedcase", mOutputFormat); 43 addOutputPort("uppercase", mOutputFormat); 44 } 45 46 @Override 47 public void process(FilterContext env) { 48 Frame input = pullInput("mixedcase"); 49 String inputString = (String)input.getObjectValue(); 50 51 Frame output = env.getFrameManager().newFrame(mOutputFormat); 52 output.setObjectValue(inputString.toUpperCase(Locale.getDefault())); 53 54 pushOutput("uppercase", output); 55 } 56 57 } 58
