/*
* #%L
* ACS AEM Commons Bundle
* %%
* Copyright (C) 2013 Adobe
* %%
* 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.
* #L%
*/
package com.adobe.acs.commons.util;
import aQute.bnd.annotation.ProviderType;
import com.day.cq.commons.jcr.JcrConstants;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.servlet.RequestDispatcher;
import java.io.IOException;
import java.io.InputStream;
@ProviderType
public class ResourceDataUtil {
public static final String ENCODING_UTF_8 = "UTF-8";
private static final Logger log = LoggerFactory.getLogger(ResourceDataUtil.class);
public static String getIncludeAsString(final String path, final SlingHttpServletRequest slingRequest,
final SlingHttpServletResponse slingResponse) {
StringWriterResponse responseWrapper = null;
try {
responseWrapper = new StringWriterResponse(slingResponse);
final RequestDispatcher requestDispatcher = slingRequest.getRequestDispatcher(path);
requestDispatcher.include(slingRequest, responseWrapper);
return StringUtils.stripToNull(responseWrapper.getString());
} catch (Exception ex) {
log.error("Error creating the String representation for: {} -- {}", path, ex);
} finally {
if (responseWrapper != null) {
responseWrapper.clearWriter();
}
}
return null;
}
public static InputStream getNTFileAsInputStream(final String path, final ResourceResolver resourceResolver) throws RepositoryException {
return getNTFileAsInputStream(resourceResolver.resolve(path));
}
public static InputStream getNTFileAsInputStream(final Resource resource) throws RepositoryException {
final Node node = resource.adaptTo(Node.class);
final Node jcrContent = node.getNode(JcrConstants.JCR_CONTENT);
return jcrContent.getProperty(JcrConstants.JCR_DATA).getBinary().getStream();
}
public static String getNTFileAsString(final String path, final ResourceResolver resourceResolver) throws RepositoryException, IOException {
return getNTFileAsString(path, resourceResolver, ENCODING_UTF_8);
}
public static String getNTFileAsString(final String path, final ResourceResolver resourceResolver, final String encoding) throws RepositoryException, IOException {
return getNTFileAsString(resourceResolver.resolve(path), encoding);
}
public static String getNTFileAsString(final Resource resource) throws RepositoryException, IOException {
return getNTFileAsString(resource, ENCODING_UTF_8);
}
public static String getNTFileAsString(final Resource resource, final String encoding) throws RepositoryException, IOException {
final InputStream inputStream = getNTFileAsInputStream(resource);
return IOUtils.toString(inputStream, encoding);
}
}