Java tutorial
/** * Copyright 2012 the project-owners * * 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 inti.ws.spring.resource.template; import inti.ws.spring.resource.WebResource; import inti.ws.spring.resource.config.ConfigParser; import inti.ws.spring.resource.config.ConfigParserSettings; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Map.Entry; import javax.inject.Inject; import javax.servlet.ServletContext; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Component; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; @Component @Scope("prototype") public class TemplatesConfig implements ConfigParser<TemplateResource> { public static class TemplateBean { List<String> files; String template; String container; Map<String, Object> parameters; public String getContainer() { return container; } public void setContainer(String container) { this.container = container; } public List<String> getFiles() { return files; } public void setFiles(List<String> files) { this.files = files; } public String getTemplate() { return template; } public void setTemplate(String template) { this.template = template; } public Map<String, Object> getParameters() { return parameters; } public void setParameters(Map<String, Object> parameters) { this.parameters = parameters; } } @Inject ServletContext ctx; protected ConfigParserSettings settings; @Override public Map<String, TemplateResource> instanceWebResources(ObjectMapper mapper, JsonNode node) throws Exception { Iterator<Entry<String, JsonNode>> fields = node.fields(); Entry<String, JsonNode> field; Map<String, TemplateResource> resources = new HashMap<>(); while (fields.hasNext()) { field = fields.next(); resources.put(field.getKey(), parseTemplate(field.getKey(), mapper.convertValue(field.getValue(), TemplateBean.class))); } return resources; } @Override public void configureWebResources(ObjectMapper mapper, JsonNode node, Map<String, TemplateResource> resources, Map<String, Map<String, TemplateResource>> resourceStack) throws Exception { } protected TemplateResource parseTemplate(String resourceName, TemplateBean templateBean) throws Exception { List<WebResource> templateList; templateList = new ArrayList<>(); if (templateBean.getFiles() != null) { for (String file : templateBean.getFiles()) { templateList.add(new WebResource(ctx, file, null, null, false)); } } return new TemplateResource(ctx, resourceName, templateBean.getContainer(), templateBean.getTemplate(), templateList, templateBean.getParameters(), null, false); } @Override public ConfigParserSettings getConfigParserSettings() { return settings; } @Override public void setConfigParserSettings(ConfigParserSettings settings) { this.settings = settings; } }