/**
*
* Copyright (C) norad.fr
*
* 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 fr.norad.visuwall.providers.common;
import static com.google.common.io.Closeables.closeQuietly;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
import com.google.common.base.Preconditions;
public class DocumentLoader {
public Document loadFromUrl(String strUrl) throws fr.norad.visuwall.providers.common.DocumentNotLoadedException {
Preconditions.checkNotNull(strUrl, "strUrl is mandatory");
InputStream stream = null;
try {
URL url = new URL(strUrl);
stream = url.openStream();
DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder = builderFactory.newDocumentBuilder();
return documentBuilder.parse(stream);
} catch (MalformedURLException e) {
throw new fr.norad.visuwall.providers.common.DocumentNotLoadedException("Can't load document from url: " + strUrl, e);
} catch (IOException e) {
throw new fr.norad.visuwall.providers.common.DocumentNotLoadedException("Can't load document from url: " + strUrl, e);
} catch (SAXException e) {
throw new fr.norad.visuwall.providers.common.DocumentNotLoadedException("Can't load document from url: " + strUrl, e);
} catch (ParserConfigurationException e) {
throw new fr.norad.visuwall.providers.common.DocumentNotLoadedException("Can't load document from url: " + strUrl, e);
} finally {
closeQuietly(stream);
}
}
public Document loadFromContent(String pomContent) throws fr.norad.visuwall.providers.common.DocumentNotLoadedException {
InputStream stream = null;
try {
DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder = builderFactory.newDocumentBuilder();
stream = new ByteArrayInputStream(pomContent.getBytes());
return documentBuilder.parse(stream);
} catch (ParserConfigurationException e) {
throw new fr.norad.visuwall.providers.common.DocumentNotLoadedException("Can't load document : " + pomContent, e);
} catch (SAXException e) {
throw new fr.norad.visuwall.providers.common.DocumentNotLoadedException("Can't load document : " + pomContent, e);
} catch (IOException e) {
throw new fr.norad.visuwall.providers.common.DocumentNotLoadedException("Can't load document : " + pomContent, e);
} finally {
closeQuietly(stream);
}
}
}