1 files changed, 96 insertions, 0 deletions
diff --git a/src/com/cyanogenmod/filemanager/commands/java/ChangeCurrentDirCommand.java b/src/com/cyanogenmod/filemanager/commands/java/ChangeCurrentDirCommand.java
new file mode 100644
index 00000000..476d4041
--- /dev/null
+++ b/src/com/cyanogenmod/filemanager/commands/java/ChangeCurrentDirCommand.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2012 The CyanogenMod Project
+ *
+ * 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.
+ */
+
+package com.cyanogenmod.filemanager.commands.java;
+
+import android.util.Log;
+
+import com.cyanogenmod.filemanager.commands.ChangeCurrentDirExecutable;
+import com.cyanogenmod.filemanager.console.ExecutionException;
+import com.cyanogenmod.filemanager.console.InsufficientPermissionsException;
+import com.cyanogenmod.filemanager.console.NoSuchFileOrDirectory;
+import com.cyanogenmod.filemanager.console.java.JavaConsole;
+
+import java.io.File;
+
+
+/**
+ * A class for change the current directory.
+ */
+public class ChangeCurrentDirCommand extends Program implements ChangeCurrentDirExecutable {
+
+    private static final String TAG = "ChangeCurrentDirCommand"; //$NON-NLS-1$
+
+    private final JavaConsole mConsole;
+    private final String mNewDir;
+
+    /**
+     * Constructor of <code>ChangeCurrentDirCommand</code>.
+     *
+     * @param console The console
+     * @param newDir The new directory to which to change
+     */
+    public ChangeCurrentDirCommand(JavaConsole console, String newDir) {
+        super();
+        this.mNewDir = newDir;
+        this.mConsole = console;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public Boolean getResult() {
+        return Boolean.TRUE;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void execute()
+            throws InsufficientPermissionsException, NoSuchFileOrDirectory, ExecutionException {
+        if (isTrace()) {
+            Log.v(TAG,
+                    String.format("Changing current directory to %s", this.mNewDir)); //$NON-NLS-1$
+        }
+
+        // Check that the file exists and is a directory
+        File f = new File(this.mNewDir);
+        if (!f.exists() || !f.isDirectory()) {
+            if (isTrace()) {
+                Log.v(TAG, "Result: FAIL. NoSuchFileOrDirectory"); //$NON-NLS-1$
+            }
+            throw new NoSuchFileOrDirectory(this.mNewDir);
+        }
+
+        // Check that we have the access to the directory
+        if (!f.canRead() || !f.canExecute()) {
+            if (isTrace()) {
+                Log.v(TAG, "Result: FAIL. InsufficientPermissionsException"); //$NON-NLS-1$
+            }
+            throw new InsufficientPermissionsException();
+        }
+
+        // Set the new current directory
+        this.mConsole.setCurrentDir(this.mNewDir);
+
+        if (isTrace()) {
+            Log.v(TAG, "Result: OK"); //$NON-NLS-1$
+        }
+    }
+
+}