Java tutorial
package com.optimalbi.Services; /* Copyright 2015 OptimalBI 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. */ import com.optimalbi.Controller.Containers.AmazonCredentials; import com.optimalbi.SimpleLog.Logger; import org.apache.commons.lang.Validate; /** * Created by Timothy Gray(timg) on 19/11/2014. * Version: 0.0.1 */ public abstract class AmazonService implements Service { final Logger logger; private final AmazonCredentials credentials; private final String id; AmazonService(String id, AmazonCredentials credentials, Logger logger) { this.id = id; this.credentials = credentials; this.logger = logger; } static String stringCap(String text) { int maxChars = 99; char[] chars = text.toCharArray(); if (chars.length > 0) { chars[0] = Character.toUpperCase(chars[0]); } else return ""; String shortString = String.valueOf(chars); if (shortString.length() > maxChars) { shortString = shortString.substring(0, maxChars - 3); shortString = shortString + "..."; } return shortString; } public String serviceID() { String testString = id; if (testString.length() > 21) { testString = testString.substring(0, 21); testString = testString + "..."; } return testString; } public int compareTo(Service o) { Validate.notNull(o, "Service was null"); return this.serviceName().compareTo(o.serviceName()); } AmazonCredentials getCredentials() { return credentials; } }