Java tutorial
/* * #%L * ACS AEM Commons Bundle * %% * Copyright (C) 2015 Adobe * %% * 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. * #L% */ package com.adobe.acs.commons.util.datadefinitions.impl; import com.adobe.acs.commons.util.datadefinitions.ResourceDefinitionBuilder; import com.adobe.acs.commons.util.datadefinitions.ResourceDefinition; import org.apache.commons.lang3.StringUtils; import org.apache.felix.scr.annotations.Component; import org.apache.felix.scr.annotations.Properties; import org.apache.felix.scr.annotations.Property; import org.apache.felix.scr.annotations.Service; import java.util.regex.Matcher; import java.util.regex.Pattern; @Component @Properties({ @Property(name = ResourceDefinitionBuilder.PROP_NAME, value = TitleAndNodeNameDefinitionBuilderImpl.NAME, propertyPrivate = true) }) @Service public class TitleAndNodeNameDefinitionBuilderImpl implements ResourceDefinitionBuilder { public static final String NAME = "TITLE_AND_NODE_NAME"; private static final Pattern ACCEPT_PATTERN = Pattern.compile(".+\\{\\{(.+)}}$"); private static final Pattern PATTERN = Pattern.compile("\\{\\{(.+)}}$"); @Override public final ResourceDefinition convert(String data) { data = StringUtils.stripToEmpty(data); String name; final Matcher matcher = PATTERN.matcher(data); if (matcher.find() && matcher.groupCount() == 1) { name = matcher.group(1); name = StringUtils.stripToEmpty(name); } else { return null; } String title = PATTERN.matcher(data).replaceAll(""); title = StringUtils.stripToEmpty(title); final BasicResourceDefinition dataDefinition = new BasicResourceDefinition(name); dataDefinition.setTitle(title); return dataDefinition; } @Override public boolean accepts(String data) { final Matcher matcher = ACCEPT_PATTERN.matcher(data); return matcher.matches(); } }