org.carewebframework.smart.SmartAPIResource.java Source code

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Here is the source code for org.carewebframework.smart.SmartAPIResource.java

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/**
 * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. 
 * If a copy of the MPL was not distributed with this file, You can obtain one at 
 * http://mozilla.org/MPL/2.0/.
 * 
 * This Source Code Form is also subject to the terms of the Health-Related Additional
 * Disclaimer of Warranty and Limitation of Liability available at
 * http://www.carewebframework.org/licensing/disclaimer.
 */
package org.carewebframework.smart;

import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import java.util.Map;

import org.apache.commons.io.IOUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * Returns data from an imbedded resource to SMART api request.
 */
public class SmartAPIResource extends SmartAPIBase {

    private static final Log log = LogFactory.getLog(SmartAPIResource.class);

    private final String resourcePath;

    /**
     * Creates an API adapter with the specified api matching pattern and resource path.
     * 
     * @param pattern API matching pattern.
     * @param resourcePath Path to resource.
     */
    public SmartAPIResource(String pattern, String resourcePath) {
        this(pattern, resourcePath, null);
    }

    /**
     * Creates an API adapter with the specified api matching pattern and resource path.
     * 
     * @param pattern API matching pattern.
     * @param resourcePath Path to resource.
     * @param capability Optional capability
     */
    public SmartAPIResource(String pattern, String resourcePath, String capability) {
        super(pattern, ContentType.RDF, capability);
        this.resourcePath = resourcePath;
    }

    /**
     * Returns the content of the imbedded resource to the caller.
     */
    @Override
    public String handleAPI(Map<String, String> params) {

        InputStream is = SmartAPIResource.class.getClassLoader().getResourceAsStream(resourcePath);
        StringWriter sw = new StringWriter();
        try {
            IOUtils.copy(is, sw);
            sw.flush();
            is.close();
        } catch (IOException e) {
            log.error("Error retrieving SMART API resource.", e);
            throw new RuntimeException(e);
        } finally {
            IOUtils.closeQuietly(is);
            IOUtils.closeQuietly(sw);
        }
        return sw.toString();
    }

}