-/*******************************************************************************\r
- * Copyright (c) 2013 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.graphfile.hack;\r
-\r
-import java.io.File;\r
-import java.io.FileFilter;\r
-import java.io.FilenameFilter;\r
-import java.io.IOException;\r
-import java.net.MalformedURLException;\r
-import java.net.URI;\r
-import java.net.URL;\r
-\r
-import org.eclipse.core.runtime.IStatus;\r
-import org.eclipse.core.runtime.Status;\r
-import org.simantics.Simantics;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.Session;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.db.common.request.WriteRequest;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.request.Read;\r
-import org.simantics.graphfile.Activator;\r
-import org.simantics.graphfile.ontology.GraphFileResource;\r
-import org.simantics.layer0.Layer0;\r
-\r
-/**\r
- * This is a wrapper for Graph based files. \r
- * \r
- * DO NOT USE this with File(Input/Output)Stream. \r
- * \r
- * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
- *\r
- */\r
-public class GraphJavaFile extends File {\r
- \r
- private static final long serialVersionUID = 8213749101292672725L;\r
- private Session session;\r
- private Resource fileResource;\r
- \r
- public GraphJavaFile(Resource fileResource) {\r
- super("");\r
- this.fileResource = fileResource;\r
- this.session = Simantics.getSession();\r
- }\r
- \r
- private byte[] getResourceData(ReadGraph graph) throws DatabaseException {\r
- GraphFileResource gf = GraphFileResource.getInstance(graph);\r
- return graph.getRelatedValue(fileResource, gf.HasFiledata);\r
- }\r
- \r
- private byte[] getResourceData() throws DatabaseException {\r
- return Simantics.getSession().syncRequest(new Read<byte[]>() {\r
- @Override\r
- public byte[] perform(ReadGraph graph) throws DatabaseException {\r
- return getResourceData(graph);\r
- }\r
- });\r
- }\r
- \r
- @Override\r
- public boolean canExecute() {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean canRead() {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean canWrite() {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean createNewFile() throws IOException {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean delete() {\r
- try {\r
- session.syncRequest(new WriteRequest() {\r
- \r
- @Override\r
- public void perform(WriteGraph graph) throws DatabaseException {\r
- graph.deny(fileResource);\r
- }\r
- });\r
- return true;\r
- } catch (DatabaseException e) {\r
- Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Failed to delete file resource " + fileResource, e));\r
- return false;\r
- }\r
- }\r
- \r
- @Override\r
- public void deleteOnExit() {\r
- \r
- }\r
- \r
- @Override\r
- public boolean equals(Object obj) {\r
- if (obj == null)\r
- return false;\r
- if (!obj.getClass().equals(getClass()))\r
- return false;\r
- GraphJavaFile other = (GraphJavaFile)obj;\r
- return fileResource.equals(other.fileResource);\r
- }\r
- \r
- @Override\r
- public File getAbsoluteFile() {\r
- return this;\r
- }\r
- \r
- @Override\r
- public boolean exists() {\r
- try {\r
- return session.syncRequest(new Read<Boolean>() {\r
- @Override\r
- public Boolean perform(ReadGraph graph) throws DatabaseException {\r
- GraphFileResource gf = GraphFileResource.getInstance(graph);\r
- return graph.getPossibleRelatedValue(fileResource, gf.HasFiledata) != null;\r
- }\r
- });\r
- } catch (DatabaseException e) {\r
- Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "exists check failed for file resource " + fileResource, e));\r
- return false;\r
- }\r
- }\r
- \r
- @Override\r
- public String getAbsolutePath() {\r
- return null;\r
- }\r
- \r
- @Override\r
- public File getCanonicalFile() throws IOException {\r
- return this;\r
- }\r
- \r
- @Override\r
- public String getCanonicalPath() throws IOException {\r
- return null;\r
- }\r
- \r
- @Override\r
- public long getFreeSpace() {\r
- return 0;\r
- }\r
- \r
- @Override\r
- public String getName() {\r
- try {\r
- return Simantics.getSession().syncRequest(new Read<String>() {\r
- @Override\r
- public String perform(ReadGraph graph) throws DatabaseException {\r
- Layer0 l0 = Layer0.getInstance(graph);\r
- return graph.getRelatedValue(fileResource, l0.HasName);\r
- }\r
- });\r
- } catch (DatabaseException e) {\r
- Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "getName failed for file resource " + fileResource, e));\r
- return e.getMessage();\r
- }\r
- }\r
- \r
- @Override\r
- public String getParent() {\r
- return null;\r
- }\r
- \r
- @Override\r
- public File getParentFile() {\r
- return null;\r
- }\r
- \r
- @Override\r
- public String getPath() {\r
- return null;\r
- }\r
- \r
- @Override\r
- public long getTotalSpace() {\r
- return 0;\r
- }\r
- \r
- @Override\r
- public long getUsableSpace() {\r
- return 0;\r
- }\r
- \r
- @Override\r
- public boolean isAbsolute() {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean isDirectory() {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean isFile() {\r
- return true;\r
- }\r
- \r
- @Override\r
- public int hashCode() {\r
- return fileResource.hashCode();\r
- }\r
- \r
- @Override\r
- public boolean isHidden() {\r
- return false;\r
- }\r
- \r
- @Override\r
- public long lastModified() {\r
- try {\r
- return Simantics.getSession().syncRequest(new Read<Long>() {\r
- @Override\r
- public Long perform(ReadGraph graph) throws DatabaseException {\r
- GraphFileResource gf = GraphFileResource.getInstance(graph);\r
- return graph.getRelatedValue(fileResource, gf.LastModified);\r
- }\r
- });\r
- } catch (DatabaseException e) {\r
- return 0;\r
- }\r
- }\r
- \r
- @Override\r
- public long length() {\r
- try {\r
- return getResourceData().length;\r
- } catch (DatabaseException e) {\r
- return 0;\r
- }\r
- }\r
- \r
- @Override\r
- public boolean mkdir() {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean mkdirs() {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean renameTo(File dest) {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean setReadable(boolean readable) {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean setReadable(boolean readable, boolean ownerOnly) {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean setWritable(boolean writable) {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean setWritable(boolean writable, boolean ownerOnly) {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean setExecutable(boolean executable) {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean setExecutable(boolean executable, boolean ownerOnly) {\r
- return false;\r
- }\r
- \r
- @Override\r
- public boolean setLastModified(long time) {\r
- return false;\r
- }\r
- \r
- @Override\r
- public String[] list() {\r
- return null;\r
- }\r
- \r
- @Override\r
- public String[] list(FilenameFilter filter) {\r
- return null;\r
- }\r
- \r
- @Override\r
- public File[] listFiles() {\r
- return null;\r
- }\r
- \r
- @Override\r
- public File[] listFiles(FileFilter filter) {\r
- return null;\r
- }\r
- \r
- @Override\r
- public File[] listFiles(FilenameFilter filter) {\r
- return null;\r
- }\r
- \r
- @Override\r
- public boolean setReadOnly() {\r
- return false;\r
- }\r
- \r
- @Override\r
- public String toString() {\r
- return getName();\r
- }\r
- \r
- @Override\r
- public URL toURL() throws MalformedURLException {\r
- return null;\r
- }\r
- \r
- @Override\r
- public URI toURI() {\r
- return null;\r
- }\r
- \r
- \r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2013 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.graphfile.hack;
+
+import java.io.File;
+import java.io.FileFilter;
+import java.io.FilenameFilter;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URL;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.simantics.Simantics;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.request.Read;
+import org.simantics.graphfile.Activator;
+import org.simantics.graphfile.ontology.GraphFileResource;
+import org.simantics.layer0.Layer0;
+
+/**
+ * This is a wrapper for Graph based files.
+ *
+ * DO NOT USE this with File(Input/Output)Stream.
+ *
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ *
+ */
+public class GraphJavaFile extends File {
+
+ private static final long serialVersionUID = 8213749101292672725L;
+ private Session session;
+ private Resource fileResource;
+
+ public GraphJavaFile(Resource fileResource) {
+ super("");
+ this.fileResource = fileResource;
+ this.session = Simantics.getSession();
+ }
+
+ private byte[] getResourceData(ReadGraph graph) throws DatabaseException {
+ GraphFileResource gf = GraphFileResource.getInstance(graph);
+ return graph.getRelatedValue(fileResource, gf.HasFiledata);
+ }
+
+ private byte[] getResourceData() throws DatabaseException {
+ return Simantics.getSession().syncRequest(new Read<byte[]>() {
+ @Override
+ public byte[] perform(ReadGraph graph) throws DatabaseException {
+ return getResourceData(graph);
+ }
+ });
+ }
+
+ @Override
+ public boolean canExecute() {
+ return false;
+ }
+
+ @Override
+ public boolean canRead() {
+ return false;
+ }
+
+ @Override
+ public boolean canWrite() {
+ return false;
+ }
+
+ @Override
+ public boolean createNewFile() throws IOException {
+ return false;
+ }
+
+ @Override
+ public boolean delete() {
+ try {
+ session.syncRequest(new WriteRequest() {
+
+ @Override
+ public void perform(WriteGraph graph) throws DatabaseException {
+ graph.deny(fileResource);
+ }
+ });
+ return true;
+ } catch (DatabaseException e) {
+ Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Failed to delete file resource " + fileResource, e));
+ return false;
+ }
+ }
+
+ @Override
+ public void deleteOnExit() {
+
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == null)
+ return false;
+ if (!obj.getClass().equals(getClass()))
+ return false;
+ GraphJavaFile other = (GraphJavaFile)obj;
+ return fileResource.equals(other.fileResource);
+ }
+
+ @Override
+ public File getAbsoluteFile() {
+ return this;
+ }
+
+ @Override
+ public boolean exists() {
+ try {
+ return session.syncRequest(new Read<Boolean>() {
+ @Override
+ public Boolean perform(ReadGraph graph) throws DatabaseException {
+ GraphFileResource gf = GraphFileResource.getInstance(graph);
+ return graph.getPossibleRelatedValue(fileResource, gf.HasFiledata) != null;
+ }
+ });
+ } catch (DatabaseException e) {
+ Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "exists check failed for file resource " + fileResource, e));
+ return false;
+ }
+ }
+
+ @Override
+ public String getAbsolutePath() {
+ return null;
+ }
+
+ @Override
+ public File getCanonicalFile() throws IOException {
+ return this;
+ }
+
+ @Override
+ public String getCanonicalPath() throws IOException {
+ return null;
+ }
+
+ @Override
+ public long getFreeSpace() {
+ return 0;
+ }
+
+ @Override
+ public String getName() {
+ try {
+ return Simantics.getSession().syncRequest(new Read<String>() {
+ @Override
+ public String perform(ReadGraph graph) throws DatabaseException {
+ Layer0 l0 = Layer0.getInstance(graph);
+ return graph.getRelatedValue(fileResource, l0.HasName);
+ }
+ });
+ } catch (DatabaseException e) {
+ Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "getName failed for file resource " + fileResource, e));
+ return e.getMessage();
+ }
+ }
+
+ @Override
+ public String getParent() {
+ return null;
+ }
+
+ @Override
+ public File getParentFile() {
+ return null;
+ }
+
+ @Override
+ public String getPath() {
+ return null;
+ }
+
+ @Override
+ public long getTotalSpace() {
+ return 0;
+ }
+
+ @Override
+ public long getUsableSpace() {
+ return 0;
+ }
+
+ @Override
+ public boolean isAbsolute() {
+ return false;
+ }
+
+ @Override
+ public boolean isDirectory() {
+ return false;
+ }
+
+ @Override
+ public boolean isFile() {
+ return true;
+ }
+
+ @Override
+ public int hashCode() {
+ return fileResource.hashCode();
+ }
+
+ @Override
+ public boolean isHidden() {
+ return false;
+ }
+
+ @Override
+ public long lastModified() {
+ try {
+ return Simantics.getSession().syncRequest(new Read<Long>() {
+ @Override
+ public Long perform(ReadGraph graph) throws DatabaseException {
+ GraphFileResource gf = GraphFileResource.getInstance(graph);
+ return graph.getRelatedValue(fileResource, gf.LastModified);
+ }
+ });
+ } catch (DatabaseException e) {
+ return 0;
+ }
+ }
+
+ @Override
+ public long length() {
+ try {
+ return getResourceData().length;
+ } catch (DatabaseException e) {
+ return 0;
+ }
+ }
+
+ @Override
+ public boolean mkdir() {
+ return false;
+ }
+
+ @Override
+ public boolean mkdirs() {
+ return false;
+ }
+
+ @Override
+ public boolean renameTo(File dest) {
+ return false;
+ }
+
+ @Override
+ public boolean setReadable(boolean readable) {
+ return false;
+ }
+
+ @Override
+ public boolean setReadable(boolean readable, boolean ownerOnly) {
+ return false;
+ }
+
+ @Override
+ public boolean setWritable(boolean writable) {
+ return false;
+ }
+
+ @Override
+ public boolean setWritable(boolean writable, boolean ownerOnly) {
+ return false;
+ }
+
+ @Override
+ public boolean setExecutable(boolean executable) {
+ return false;
+ }
+
+ @Override
+ public boolean setExecutable(boolean executable, boolean ownerOnly) {
+ return false;
+ }
+
+ @Override
+ public boolean setLastModified(long time) {
+ return false;
+ }
+
+ @Override
+ public String[] list() {
+ return null;
+ }
+
+ @Override
+ public String[] list(FilenameFilter filter) {
+ return null;
+ }
+
+ @Override
+ public File[] listFiles() {
+ return null;
+ }
+
+ @Override
+ public File[] listFiles(FileFilter filter) {
+ return null;
+ }
+
+ @Override
+ public File[] listFiles(FilenameFilter filter) {
+ return null;
+ }
+
+ @Override
+ public boolean setReadOnly() {
+ return false;
+ }
+
+ @Override
+ public String toString() {
+ return getName();
+ }
+
+ @Override
+ public URL toURL() throws MalformedURLException {
+ return null;
+ }
+
+ @Override
+ public URI toURI() {
+ return null;
+ }
+
+
+
+}
Code Review / simantics / platform.git / blobdiff