refactored from org.vamsas to uk.ac.vamsas

[vamsas.git] / src / org / vamsas / client / simpleclient / SessionFlagFile.java

diff --git a/src/org/vamsas/client/simpleclient/SessionFlagFile.java b/src/org/vamsas/client/simpleclient/SessionFlagFile.java
deleted file mode 100644 (file)
index 7826fbc..0000000
--- a/src/org/vamsas/client/simpleclient/SessionFlagFile.java
+++ /dev/null
@@ -1,85 +0,0 @@
-package org.vamsas.client.simpleclient;
-
-import java.io.File;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-/**
- * methods for setting and checking 
- * binary flags in a vamsas session directory.
- * all methods apart from the constructor will 
- * throw a fatal error if the flagFile is not
- * a valid java.io.File object.
- * LATER: extract SessionFlag interface for generalizing the vamsas session code 
- * @author jimp
- *
- */
-public class SessionFlagFile {
-  private static Log log = LogFactory.getLog(SessionFlagFile.class);
-  protected File flagFile=null;
-  private void checkFlagFile() {
-    if (flagFile==null) {
-      log.fatal("Implementation error - uninitialized SessionFlagFile", 
-          new Error("Implementation error - uninitialized SessionFlagFile"));
-    }
-  }
-  /**
-   * will log a warning if exceptions occur during flag creation.
-   * @return true if flag was set successfully
-   */
-  public boolean setFlag() {
-    checkFlagFile();
-    try {
-      if (flagFile.createNewFile()) {
-        log.debug("Set session flag "+flagFile);
-      } else {
-        log.debug("Session flag already set "+flagFile);
-      }
-      return true;
-    }
-    catch (Exception e) {
-      log.warn("Couldn't set session flag "+flagFile, e);
-    }
-    return false;
-  }
-  /**
-   * 
-   * @return true if flag was cleared successfully
-   */
-  public boolean clearFlag() {
-    checkFlagFile();
-    if (flagFile.exists()) {
-      log.debug("clearing session flag "+flagFile);
-      if (!flagFile.delete()) {
-        log.warn("failed to clear session flag "+flagFile);
-        return false;
-      }
-    } else {
-      log.debug("clearFlag called for already cleared flag "+flagFile);
-    }
-    return true;
-  }
-    /**
-     * 
-     * @return state of session flag
-     */
-  public boolean checkFlag() {
-    checkFlagFile();
-    if (flagFile.exists()) {
-      if (log.isDebugEnabled())
-        log.debug("Flag '"+flagFile+"' is set.");
-      return true;
-    }
-    if (log.isDebugEnabled())
-      log.debug("Flag '"+flagFile+"' is not set.");    
-    return false;
-  }
-    /**
-     * @param flagFile
-     */
-    public SessionFlagFile(File flagFile) {
-      super();
-      this.flagFile = flagFile;
-    };
-}