org.zkybase.cmdb.connector.impl.ApplicationTemplate.java Source code

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Here is the source code for org.zkybase.cmdb.connector.impl.ApplicationTemplate.java

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/* 
 * Copyright 2011-2012 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.zkybase.cmdb.connector.impl;

import static java.util.Arrays.asList;
import static org.springframework.util.Assert.notNull;

import java.util.List;

import org.springframework.http.HttpHeaders;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import org.zkybase.cmdb.connector.ApplicationOperations;
import org.zkybase.cmdb.dto.Application;

/**
 * @author Willie Wheeler (willie.wheeler@gmail.com)
 */
public class ApplicationTemplate implements ApplicationOperations {
    private RestTemplate restTemplate;
    private String baseUri;

    public ApplicationTemplate(RestTemplate restTemplate, String baseUri) {
        this.restTemplate = restTemplate;
        this.baseUri = baseUri;
    }

    public RestTemplate getRestTemplate() {
        return restTemplate;
    }

    public String getBaseUri() {
        return baseUri;
    }

    /* (non-Javadoc)
     * @see org.zkybase.cmdb.connector.ApplicationOperations#create(org.zkybase.cmdb.dto.Application)
     */
    @Override
    public String create(Application application) {
        ResponseEntity<String> response = restTemplate.postForEntity(getListUri(), application, String.class);
        HttpHeaders headers = response.getHeaders();
        List<String> locations = headers.get("Location");

        // There's only one.
        return locations.get(0);
    }

    /* (non-Javadoc)
     * @see org.zkybase.cmdb.connector.ApplicationOperations#list()
     */
    @Override
    public List<Application> list() {
        return asList(restTemplate.getForObject(getListUri(), Application[].class));
    }

    /* (non-Javadoc)
     * @see org.zkybase.cmdb.connector.ApplicationOperations#delete(java.lang.Long)
     */
    @Override
    public void delete(Long id) {
        notNull(id, "id can't be null");
        restTemplate.delete(getDetailsUri(), id);
    }

    private String getListUri() {
        return baseUri + "/applications";
    }

    private String getDetailsUri() {
        return getListUri() + "/{id}";
    }
}