1 files changed, 178 insertions, 0 deletions
diff --git a/plugins/toolsmiths/org.eclipse.papyrus.dev.pluginexplorer/src/org/eclipse/papyrus/dev/pluginexplorer/PhysicalFile.java b/plugins/toolsmiths/org.eclipse.papyrus.dev.pluginexplorer/src/org/eclipse/papyrus/dev/pluginexplorer/PhysicalFile.java
new file mode 100755
index 00000000000..926dceb3e89
--- /dev/null
+++ b/plugins/toolsmiths/org.eclipse.papyrus.dev.pluginexplorer/src/org/eclipse/papyrus/dev/pluginexplorer/PhysicalFile.java
@@ -0,0 +1,178 @@
+/*****************************************************************************
+ * Copyright (c) 2013 CEA LIST.
+ *
+ *
+ * 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:
+ *  Laurent Wouters laurent.wouters@cea.fr - Initial API and implementation
+ *
+ *****************************************************************************/
+
+package org.eclipse.papyrus.dev.pluginexplorer;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.Path;
+
+/**
+ * Represents a physical file (on disk) as a resource within a plugin
+ *
+ * @author Laurent Wouters
+ */
+public class PhysicalFile implements PluginEntry {
+	/**
+	 * A constant empty list of entries
+	 */
+	private static final List<PluginEntry> empty = new ArrayList<PluginEntry>(0);
+
+	/**
+	 * The parent plugin
+	 */
+	private Plugin plugin;
+	/**
+	 * The physical file represented by this object
+	 */
+	private File file;
+	/**
+	 * The cache of children
+	 */
+	private List<PluginEntry> cache;
+
+	/**
+	 * Creates the representation of a physical file as a plugin entry
+	 *
+	 * @param plugin
+	 *            The parent plugin
+	 * @param file
+	 *            The represented physical file
+	 */
+	public PhysicalFile(Plugin plugin, File file) {
+		this.plugin = plugin;
+		this.file = file;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 *
+	 * @see org.eclipse.papyrus.infra.core.pluginexplorer.PluginEntry#getPlugin()
+	 */
+	public Plugin getPlugin() {
+		return plugin;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 *
+	 * @see org.eclipse.papyrus.infra.core.pluginexplorer.PluginEntry#getName()
+	 */
+	public String getName() {
+		return file.getName();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 *
+	 * @see org.eclipse.papyrus.infra.core.pluginexplorer.PluginEntry#getLogicalPath()
+	 */
+	public String getLogicalPath() {
+		IPath pp = new Path(plugin.getPhysicalPath());
+		IPath physical = new Path(file.getAbsolutePath());
+		return "platform:/plugin/" + plugin.getName() + "/" + physical.makeRelativeTo(pp).toString();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 *
+	 * @see org.eclipse.papyrus.infra.core.pluginexplorer.PluginEntry#getPhysicalPath()
+	 */
+	public String getPhysicalPath() {
+		return file.getAbsolutePath();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 *
+	 * @see org.eclipse.papyrus.infra.core.pluginexplorer.PluginEntry#hasChildren()
+	 */
+	public boolean hasChildren() {
+		if (file.isDirectory()) {
+			File[] content = file.listFiles();
+			return (content != null && content.length > 0);
+		}
+		return false;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 *
+	 * @see org.eclipse.papyrus.infra.core.pluginexplorer.PluginEntry#children()
+	 */
+	public List<PluginEntry> children() {
+		if (cache != null) {
+			return cache;
+		}
+		if (!file.isDirectory()) {
+			cache = empty;
+			return empty;
+		}
+		buildCache();
+		return cache;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 *
+	 * @see org.eclipse.papyrus.infra.core.pluginexplorer.PluginEntry#getChild(java.lang.String)
+	 */
+	public PluginEntry getChild(String name) {
+		if (cache == null) {
+			buildCache();
+		}
+		for (PluginEntry entry : cache) {
+			if (entry.getName().equals(name)) {
+				return entry;
+			}
+		}
+		return null;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 *
+	 * @see org.eclipse.papyrus.infra.core.pluginexplorer.PluginEntry#getInputStream()
+	 */
+	public InputStream getInputStream() {
+		try {
+			return new FileInputStream(file);
+		} catch (FileNotFoundException e) {
+			// Cannot happen, unless the file has been deleted after the lookup
+			// in which case, too bad
+			return null;
+		}
+	}
+
+	/**
+	 * Builds the cache of children entries
+	 */
+	private void buildCache() {
+		File[] content = file.listFiles();
+		if (content == null || content.length == 0) {
+			cache = empty;
+		} else {
+			cache = new ArrayList<PluginEntry>(content.length);
+			for (int i = 0; i != content.length; i++) {
+				cache.add(new PhysicalFile(plugin, content[i]));
+			}
+		}
+	}
+}