ModuleTemplate.java

/*
 * Copyright 2013 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.springframework.xd.rest.client.impl;

import java.io.IOException;

import org.springframework.core.io.Resource;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.xd.rest.client.ModuleOperations;
import org.springframework.xd.rest.domain.DetailedModuleDefinitionResource;
import org.springframework.xd.rest.domain.ModuleDefinitionResource;
import org.springframework.xd.rest.domain.RESTModuleType;

/**
 * Implementation of the Module-related part of the API.
 * 
 * @author Eric Bottard
 * @author Glenn Renfro
 * @author Mark Fisher
 * @author Gunnar Hillert
 */
public class ModuleTemplate extends AbstractTemplate implements ModuleOperations {

	ModuleTemplate(AbstractTemplate source) {
		super(source);
	}

	@Override
	public ModuleDefinitionResource composeModule(String name, String definition, boolean force) {
		MultiValueMap<String, Object> values = new LinkedMultiValueMap<>();
		values.add("name", name);
		values.add("definition", definition);
		values.add("force", force);
		return restTemplate.postForObject(resources.get("modules").expand(), values, ModuleDefinitionResource.class);
	}

	@Override
	public void deleteModule(String name, RESTModuleType moduleType) {
		final String uriTemplate = resources.get("modules").toString() + "/{type}/{name}";
		restTemplate.delete(uriTemplate, moduleType.name(), name);
	}

	@Override
	public DetailedModuleDefinitionResource info(String name, RESTModuleType type) {
		String uriTemplate = resources.get("modules").toString() + "/{type}/{name}";

		return restTemplate.getForObject(uriTemplate, DetailedModuleDefinitionResource.class, type, name);
	}

	@Override
	public ModuleDefinitionResource uploadModule(String name, RESTModuleType type, Resource bytes, boolean force) throws IOException {
		String uriTemplate = resources.get("modules").toString() + "/{type}/{name}?force={force}";
		return restTemplate.postForObject(uriTemplate, bytes, ModuleDefinitionResource.class, type, name, force);
	}

	@Override
	public ModuleDefinitionResource.Page list(RESTModuleType type) {
		String uriTemplate = resources.get("modules").toString();
		// TODO handle pagination at the client side
		uriTemplate = uriTemplate + "?size=10000" + ((type == null) ? "" : "&type=" + type.name());
		return restTemplate.getForObject(uriTemplate, ModuleDefinitionResource.Page.class);
	}

	@Override
	public String toString() {
		return "ModuleTemplate [restTemplate=" + restTemplate + ", resources=" + resources + "]";
	}


}