com.springsource.oauthservice.Bootstrap.java Source code

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Here is the source code for com.springsource.oauthservice.Bootstrap.java

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/*
 * Copyright 2011 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 com.springsource.oauthservice;

import java.util.List;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.cloudfoundry.org.codehaus.jackson.JsonFactory;
import org.cloudfoundry.org.codehaus.jackson.JsonParser;
import org.cloudfoundry.org.codehaus.jackson.map.ObjectMapper;

/**
 * TEMPORARY: Bootstrap to log the value of VCAP_SERVICES so that I can create a DB URL to the bound database service.
 * 
 * @author wallsc
 */
public class Bootstrap {
    private static final Log LOG = LogFactory.getLog(Bootstrap.class);

    public void go() throws Exception {
        String vcapServices = System.getenv("VCAP_SERVICES");
        LOG.debug("VCAP_SERVICES: " + vcapServices);
        // jdbc:postgresql://172.30.48.126:5432/d6f69ba9c3c6349ac830af2973e31b779

        // pull values out and construct JDBC URL
        Map credentials = getCredentialsMap(vcapServices);
        String dbName = (String) credentials.get("name");
        String host = (String) credentials.get("host");
        Integer port = (Integer) credentials.get("port");
        String username = (String) credentials.get("username");
        String password = (String) credentials.get("password");

        LOG.debug("    JDBC URL:  jdbc:postgresql://" + host + ":" + port + "/" + dbName);
        LOG.debug("    DB USERNAME: " + username);
        LOG.debug("    DB PASSWORD: " + password);
    }

    public Map getCredentialsMap(String vcapServices) throws Exception {
        ObjectMapper mapper = new ObjectMapper();
        JsonFactory jsonFactory = mapper.getJsonFactory();
        JsonParser jsonParser = jsonFactory.createJsonParser(vcapServices);
        Map map = jsonParser.readValueAs(Map.class);
        List pgMap = (List) map.get("postgresql-9.0");
        Map dbMap = (Map) pgMap.get(0);
        Map credentialsMap = (Map) dbMap.get("credentials");
        return credentialsMap;
    }

}