[DMV-12] fix: - Dependency by moving 'RemoteFreeSpaceProvider' to 'common' package.

SVN: 6074

common/source/java/ch/systemsx/cisd/common/highwatermark/RemoteFreeSpaceProvider.java

+/*
+ * Copyright 2008 ETH Zuerich, CISD
+ *
+ * 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 ch.systemsx.cisd.common.highwatermark;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
+
+import org.apache.log4j.Logger;
+
+import ch.systemsx.cisd.common.highwatermark.HighwaterMarkWatcher.IFreeSpaceProvider;
+import ch.systemsx.cisd.common.process.ProcessExecutionHelper;
+import ch.systemsx.cisd.common.process.ProcessResult;
+
+/**
+ * An <code>IFreeSpaceProvider</code> implementation for computing the free space on a remote
+ * computer.
+ * 
+ * @author Christian Ribeaud
+ */
+public final class RemoteFreeSpaceProvider implements IFreeSpaceProvider
+{
+    private final File sshExecutable;
+
+    private final String host;
+
+    public RemoteFreeSpaceProvider(final String host, final File sshExecutable)
+    {
+        this.host = host;
+        this.sshExecutable = sshExecutable;
+    }
+
+    //
+    // IFreeSpaceProvider
+    //
+
+    public final long freeSpaceKb(final File path) throws IOException
+    {
+        final List<String> command =
+                Arrays.asList(sshExecutable.getPath(), host, "df -k " + path.getPath() + "");
+        Logger rootLogger = Logger.getRootLogger();
+        System.out.println(command);
+        final ProcessResult processResult =
+                ProcessExecutionHelper.run(command, 2000L, rootLogger, rootLogger);
+        System.out.println(processResult.getProcessOutput());
+        return 0L;
+    }
+}
\ No newline at end of file

common/sourceTest/java/ch/systemsx/cisd/common/highwatermark/RemoteFreeSpaceProviderTest.java

+/*
+ * Copyright 2008 ETH Zuerich, CISD
+ *
+ * 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 ch.systemsx.cisd.common.highwatermark;
+
+import static org.testng.AssertJUnit.assertNotNull;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.testng.annotations.Test;
+
+import ch.systemsx.cisd.common.highwatermark.RemoteFreeSpaceProvider;
+import ch.systemsx.cisd.common.utilities.OSUtilities;
+
+/**
+ * Test cases for {@link RemoteFreeSpaceProvider}.
+ * 
+ * @author Christian Ribeaud
+ */
+public final class RemoteFreeSpaceProviderTest
+{
+
+    @Test(groups = "broken")
+    public final void testFreeSpaceKb() throws IOException
+    {
+        final File sshExecutable = OSUtilities.findExecutable("ssh");
+        assertNotNull(sshExecutable);
+        final RemoteFreeSpaceProvider freeSpaceProvider =
+                new RemoteFreeSpaceProvider("sprint-ob", sshExecutable);
+        System.out.println(freeSpaceProvider.freeSpaceKb(new File("/")));
+    }
+}