X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms.jcr.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Futil%2FDefaultImageManager.java;fp=org.argeo.cms.jcr.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Futil%2FDefaultImageManager.java;h=b431fc3c9618c428dd14219c3923ef7d06381d21;hb=bce03099b0d2f1758e7a3d74fba339d0200924d5;hp=0000000000000000000000000000000000000000;hpb=0ea2992e5f3803cd98b5981f27274faa922bc199;p=gpl%2Fargeo-jcr.git

diff --git a/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/util/DefaultImageManager.java b/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/util/DefaultImageManager.java
new file mode 100644
index 0000000..b431fc3
--- /dev/null
+++ b/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/util/DefaultImageManager.java
@@ -0,0 +1,133 @@
+package org.argeo.cms.ui.util;
+
+import static javax.jcr.Node.JCR_CONTENT;
+import static javax.jcr.Property.JCR_DATA;
+import static javax.jcr.nodetype.NodeType.NT_FILE;
+import static javax.jcr.nodetype.NodeType.NT_RESOURCE;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+import javax.jcr.Binary;
+import javax.jcr.Node;
+import javax.jcr.Property;
+import javax.jcr.RepositoryException;
+
+import org.apache.commons.io.IOUtils;
+import org.argeo.api.cms.CmsLog;
+import org.argeo.api.cms.ux.Cms2DSize;
+import org.argeo.cms.swt.AbstractSwtImageManager;
+import org.argeo.jcr.JcrException;
+import org.argeo.jcr.JcrUtils;
+import org.eclipse.rap.rwt.RWT;
+import org.eclipse.rap.rwt.service.ResourceManager;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.widgets.Display;
+
+/** Manages only public images so far. */
+public class DefaultImageManager extends AbstractSwtImageManager<Node> {
+	private final static CmsLog log = CmsLog.getLog(DefaultImageManager.class);
+
+	/** @return null if not available */
+	@Override
+	public String getImageUrl(Node node) {
+		return CmsUiUtils.getDataPathForUrl(node);
+	}
+
+	protected String getResourceName(Node node) {
+		try {
+			String workspace = node.getSession().getWorkspace().getName();
+			if (node.hasNode(JCR_CONTENT))
+				return workspace + '_' + node.getNode(JCR_CONTENT).getIdentifier();
+			else
+				return workspace + '_' + node.getIdentifier();
+		} catch (RepositoryException e) {
+			throw new JcrException(e);
+		}
+	}
+
+	public Binary getImageBinary(Node node) {
+		try {
+			if (node.isNodeType(NT_FILE)) {
+				return node.getNode(JCR_CONTENT).getProperty(JCR_DATA).getBinary();
+			} else {
+				return null;
+			}
+		} catch (RepositoryException e) {
+			throw new JcrException(e);
+		}
+	}
+
+	public Image getSwtImage(Node node) {
+		InputStream inputStream = null;
+		Binary binary = getImageBinary(node);
+		if (binary == null)
+			return null;
+		try {
+			inputStream = binary.getStream();
+			return new Image(Display.getCurrent(), inputStream);
+		} catch (RepositoryException e) {
+			throw new JcrException(e);
+		} finally {
+			IOUtils.closeQuietly(inputStream);
+			JcrUtils.closeQuietly(binary);
+		}
+	}
+
+	@Override
+	public String uploadImage(Node context, Node parentNode, String fileName, InputStream in, String contentType) {
+		InputStream inputStream = null;
+		try {
+			String previousResourceName = null;
+			if (parentNode.hasNode(fileName)) {
+				Node node = parentNode.getNode(fileName);
+				previousResourceName = getResourceName(node);
+				if (node.hasNode(JCR_CONTENT)) {
+					node.getNode(JCR_CONTENT).remove();
+					node.addNode(JCR_CONTENT, NT_RESOURCE);
+				}
+			}
+
+			byte[] arr = IOUtils.toByteArray(in);
+			Node fileNode = JcrUtils.copyBytesAsFile(parentNode, fileName, arr);
+			inputStream = new ByteArrayInputStream(arr);
+			ImageData id = new ImageData(inputStream);
+			processNewImageFile(context, fileNode, id);
+
+			String mime = contentType != null ? contentType : Files.probeContentType(Paths.get(fileName));
+			if (mime != null) {
+				fileNode.getNode(JCR_CONTENT).setProperty(Property.JCR_MIMETYPE, mime);
+			}
+			fileNode.getSession().save();
+
+			// reset resource manager
+			ResourceManager resourceManager = RWT.getResourceManager();
+			if (previousResourceName != null && resourceManager.isRegistered(previousResourceName)) {
+				resourceManager.unregister(previousResourceName);
+				if (log.isDebugEnabled())
+					log.debug("Unregistered image " + previousResourceName);
+			}
+			return CmsUiUtils.getDataPath(fileNode);
+		} catch (IOException e) {
+			throw new RuntimeException("Cannot upload image " + fileName + " in " + parentNode, e);
+		} catch (RepositoryException e) {
+			throw new JcrException(e);
+		} finally {
+			IOUtils.closeQuietly(inputStream);
+		}
+	}
+
+	/** Does nothing by default. */
+	protected void processNewImageFile(Node context, Node fileNode, ImageData id)
+			throws RepositoryException, IOException {
+	}
+
+	@Override
+	protected String noImg(Cms2DSize size) {
+		return CmsUiUtils.noImg(size);
+	}
+}