Java tutorial
/* * Copyright 2015 the original author or authors. * * 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 org.gradle.groovy.scripts; import org.apache.commons.lang.StringUtils; import org.gradle.internal.hash.HashUtil; import java.net.URI; public abstract class AbstractUriScriptSource implements ScriptSource { private String className; /** * Returns the class name for use for this script source. The name is intended to be unique to support mapping * class names to source files even if many sources have the same file name (e.g. build.gradle). */ public String getClassName() { if (className == null) { URI sourceUri = getResource().getURI(); String name = StringUtils.substringBeforeLast(StringUtils.substringAfterLast(sourceUri.toString(), "/"), "."); StringBuilder className = new StringBuilder(name.length()); for (int i = 0; i < name.length(); i++) { char ch = name.charAt(i); if (Character.isJavaIdentifierPart(ch)) { className.append(ch); } else { className.append('_'); } } if (!Character.isJavaIdentifierStart(className.charAt(0))) { className.insert(0, '_'); } className.setLength(Math.min(className.length(), 30)); className.append('_'); String path = sourceUri.toString(); className.append(HashUtil.createCompactMD5(path)); this.className = className.toString(); } return className; } }