com.disney.groovity.source.HttpGroovitySource Maven / Gradle / Ivy
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* © 2018 Disney | ABC Television Group
*
* Licensed under the Apache License, Version 2.0 (the "Apache License")
* with the following modification; you may not use this file except in
* compliance with the Apache License and the following modification to it:
* Section 6. Trademarks. is deleted and replaced with:
*
* 6. Trademarks. This License does not grant permission to use the trade
* names, trademarks, service marks, or product names of the Licensor
* and its affiliates, except as required to comply with Section 4(c) of
* the License and to reproduce the content of the NOTICE file.
*
* You may obtain a copy of the Apache License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
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package com.disney.groovity.source;
import java.io.IOException;
import java.net.URI;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.HttpEntity;
import org.apache.http.StatusLine;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpHead;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.util.EntityUtils;
/**
* Represents a groovity source file located at an HTTP URL
*
* @author Alex Vigdor
*/
public class HttpGroovitySource implements GroovitySource{
private static Log log = LogFactory.getLog(HttpGroovitySource.class);
private String path;
private long modified = -1;
private URI uri;
HttpGroovitySourceLocator locator;
public HttpGroovitySource(URI uri, String path, long lastModified, HttpGroovitySourceLocator locator){
this.uri = uri;
this.path = path;
this.modified = lastModified;
this.locator = locator;
}
public URI getUri() {
return this.uri;
}
public String getPath() {
return this.path;
}
public long getLastModified() {
return this.modified;
}
public boolean exists(){
CloseableHttpResponse response = null;
boolean doesExist = true;
try {
HttpHead headReq = new HttpHead(uri);
CloseableHttpClient client = this.locator.getClient();
response = client.execute(headReq);
try{
StatusLine sl = response.getStatusLine();
doesExist = (sl.getStatusCode()!=404);
HttpEntity entity = response.getEntity();
if(entity!=null)
{
EntityUtils.consume(entity);
}
}
finally{
response.close();
}
} catch (Exception e) {
log.warn("Error in HttpGroovySource.exists(), presumed true to be safe", e );
}
return doesExist;
}
public String getSourceCode() throws IOException {
return this.locator.getBody(uri);
}
}