Here you can find the source of left(final String text, final String sep)
private static String left(final String text, final String sep)
//package com.java2s; /*/* www.j av a 2 s. c o m*/ * Copyright 2004-2010 the Seasar Foundation and the Others. * * 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. */ public class Main { private static String left(final String text, final String sep) { final int pos = text.indexOf(sep); if (pos != -1) { return text.substring(0, pos); } return text; } }