diff options
Diffstat (limited to 'target_explorer/plugins/org.eclipse.tcf.te.tcf.locator/src/org/eclipse/tcf/te/tcf/locator/internal/adapters/MapPersistableAdapter.java')
| -rw-r--r-- | target_explorer/plugins/org.eclipse.tcf.te.tcf.locator/src/org/eclipse/tcf/te/tcf/locator/internal/adapters/MapPersistableAdapter.java | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.tcf.locator/src/org/eclipse/tcf/te/tcf/locator/internal/adapters/MapPersistableAdapter.java b/target_explorer/plugins/org.eclipse.tcf.te.tcf.locator/src/org/eclipse/tcf/te/tcf/locator/internal/adapters/MapPersistableAdapter.java new file mode 100644 index 000000000..e2695c393 --- /dev/null +++ b/target_explorer/plugins/org.eclipse.tcf.te.tcf.locator/src/org/eclipse/tcf/te/tcf/locator/internal/adapters/MapPersistableAdapter.java @@ -0,0 +1,136 @@ +/*******************************************************************************
+ * Copyright (c) 2011 Wind River Systems, Inc. and others. 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:
+ * Wind River Systems - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.tcf.te.tcf.locator.internal.adapters;
+
+import java.io.IOException;
+import java.net.URI;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.tcf.protocol.IPeer;
+import org.eclipse.tcf.te.tcf.locator.activator.CoreBundleActivator;
+import org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable;
+
+/**
+ * Persistable implementation handling peer attributes.
+ */
+public class MapPersistableAdapter implements IPersistable {
+
+ /* (non-Javadoc)
+ * @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable#getStorageID()
+ */
+ @Override
+ public String getStorageID() {
+ return "org.eclipse.tcf.te.tcf.locator.persistence"; //$NON-NLS-1$
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable#getURI(java.lang.Object)
+ */
+ @SuppressWarnings("unchecked")
+ @Override
+ public URI getURI(final Object data) {
+ Assert.isNotNull(data);
+
+ URI uri = null;
+
+ // Only map objects are supported
+ if (data instanceof Map) {
+ // Get the name of the peer and make it a valid
+ // file system name (no spaces etc).
+ String name = ((Map<String, String>) data).get(IPeer.ATTR_NAME);
+ if (name == null) name = ((Map<String, String>) data).get(IPeer.ATTR_ID);
+ name = makeValidFileSystemName(name);
+ // Get the URI from the name
+ uri = getRoot().append(name).toFile().toURI();
+ }
+
+ return uri;
+ }
+
+ /**
+ * Make a valid file system name from the given name.
+ *
+ * @param name The original name. Must not be <code>null</code>.
+ * @return The valid file system name.
+ */
+ private String makeValidFileSystemName(String name) {
+ Assert.isNotNull(name);
+ return name.replaceAll("\\W", "_"); //$NON-NLS-1$ //$NON-NLS-2$
+ }
+
+ /**
+ * Returns the root location of the peers storage.
+ *
+ * @return The root location or <code>null</code> if it cannot be determined.
+ */
+ public IPath getRoot() {
+ IPath location = null;
+
+ // Try the bundles state location first (not available if launched with -data @none).
+ try {
+ IPath path = CoreBundleActivator.getDefault().getStateLocation().append(".peers"); //$NON-NLS-1$
+ if (!path.toFile().exists()) path.toFile().mkdirs();
+ if (path.toFile().canRead() && path.toFile().isDirectory()) {
+ location = path;
+ }
+ } catch (IllegalStateException e) {
+ // Workspace less environments (-data @none)
+ // The users local peers lookup directory is $HOME/.tcf/.peers.
+ IPath path = new Path(System.getProperty("user.home")).append(".tcf/.peers"); //$NON-NLS-1$ //$NON-NLS-2$
+ if (!path.toFile().exists()) path.toFile().mkdirs();
+ if (path.toFile().canRead() && path.toFile().isDirectory()) {
+ location = path;
+ }
+ }
+
+ return location;
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable#exportFrom(java.lang.Object)
+ */
+ @SuppressWarnings("unchecked")
+ @Override
+ public Map<String, Object> exportFrom(Object data) throws IOException {
+ Assert.isNotNull(data);
+
+ Map<String, Object> result = null;
+
+ // Only map objects are supported
+ if (data instanceof Map) {
+ // Convert into a String/Object map to pass it on to the persistence delegates
+ result = new LinkedHashMap<String, Object>();
+ for (String key : ((Map<String, String>) data).keySet()) result.put(key, ((Map<String, String>) data).get(key));
+ }
+
+ return result;
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable#importTo(java.lang.Object, java.util.Map)
+ */
+ @Override
+ public void importTo(Object data, Map<String, Object> external) throws IOException {
+ Assert.isNotNull(data);
+ Assert.isNotNull(external);
+
+ // Only map objects are supported
+ if (data instanceof Map) {
+ @SuppressWarnings("unchecked")
+ Map<String, String> map = (Map<String, String>)data;
+ for (String key : external.keySet()) map.put(key, (String)external.get(key));
+ }
+ }
+
+}
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