JAL-3446 unused imports removed
[jalview.git] / src / jalview / bin / Cache.java
index 9dcc949..09004f4 100755 (executable)
  */
 package jalview.bin;
 
-import jalview.datamodel.PDBEntry;
-import jalview.gui.UserDefinedColours;
-import jalview.schemes.ColourSchemeLoader;
-import jalview.schemes.ColourSchemes;
-import jalview.schemes.UserColourScheme;
-import jalview.structure.StructureImportSettings;
-import jalview.urls.IdOrgSettings;
-import jalview.util.ColorUtils;
-import jalview.util.Platform;
-import jalview.ws.sifts.SiftsSettings;
-
 import java.awt.Color;
 import java.io.BufferedReader;
-import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.net.URL;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.Collections;
@@ -53,6 +42,18 @@ import org.apache.log4j.Level;
 import org.apache.log4j.Logger;
 import org.apache.log4j.SimpleLayout;
 
+import jalview.bin.ApplicationSingletonProvider.ApplicationSingletonI;
+import jalview.datamodel.PDBEntry;
+import jalview.gui.UserDefinedColours;
+import jalview.schemes.ColourSchemeLoader;
+import jalview.schemes.ColourSchemes;
+import jalview.schemes.UserColourScheme;
+import jalview.structure.StructureImportSettings;
+import jalview.urls.IdOrgSettings;
+import jalview.util.ColorUtils;
+import jalview.util.Platform;
+import jalview.ws.sifts.SiftsSettings;
+
 /**
  * Stores and retrieves Jalview Application Properties Lists and fields within
  * list entries are separated by '|' symbols unless otherwise stated (|) clauses
@@ -207,8 +208,26 @@ import org.apache.log4j.SimpleLayout;
  * @author $author$
  * @version $Revision$
  */
-public class Cache
+public class Cache implements ApplicationSingletonI
 {
+
+  private Cache()
+  {
+    // private singleton
+  }
+
+  /**
+   * In Java, this will be a static field instance, which will be
+   * application-specific; in JavaScript it will be an applet-specific instance
+   * tied to the applet's ThreadGroup.
+   * 
+   * @return
+   */
+  public static Cache getInstance()
+  {
+    return (Cache) ApplicationSingletonProvider.getInstance(Cache.class);
+  }
+
   /**
    * property giving log4j level for CASTOR loggers
    */
@@ -227,10 +246,8 @@ public class Cache
   /**
    * Sifts settings
    */
-  public static final String DEFAULT_SIFTS_DOWNLOAD_DIR = System
-          .getProperty("user.home") + File.separatorChar
-          + ".sifts_downloads" + File.separatorChar;
-
+  public static final String DEFAULT_SIFTS_DOWNLOAD_DIR = Platform.getUserPath(".sifts_downloads/");
+  
   private final static String DEFAULT_CACHE_THRESHOLD_IN_DAYS = "2";
 
   private final static String DEFAULT_FAIL_SAFE_PID_THRESHOLD = "30";
@@ -238,8 +255,7 @@ public class Cache
   /**
    * Identifiers.org download settings
    */
-  private static final String ID_ORG_FILE = System.getProperty("user.home")
-          + File.separatorChar + ".identifiers.org.ids.json";
+  private static final String ID_ORG_FILE = Platform.getUserPath(".identifiers.org.ids.json");
 
   /**
    * Allowed values are PDB or mmCIF
@@ -265,7 +281,7 @@ public class Cache
   public static Logger log;
 
   /** Jalview Properties */
-  public static Properties applicationProperties = new Properties()
+  private Properties applicationProperties = new Properties()
   {
     // override results in properties output in alphabetical order
     @Override
@@ -332,11 +348,18 @@ public class Cache
    */
   public static void loadProperties(String propsFile)
   {
+
+    getInstance().loadPropertiesImpl(propsFile);
+
+  }
+
+  private void loadPropertiesImpl(String propsFile)
+  {
+
     propertiesFile = propsFile;
     if (propsFile == null && !propsAreReadOnly)
     {
-      propertiesFile = System.getProperty("user.home") + File.separatorChar
-              + ".jalview_properties";
+      propertiesFile = Platform.getUserPath(".jalview_properties");
     }
     else
     {
@@ -396,16 +419,13 @@ public class Cache
     }
 
     // LOAD THE AUTHORS FROM THE authors.props file
-    String authorDetails = (Platform.isJS() ? null
-            : "jar:".concat(Cache.class.getProtectionDomain()
-                    .getCodeSource().getLocation().toString()
-                    .concat("!/authors.props")));
+    String authorDetails = resolveResourceURLFor("/authors.props");
 
     try
     {
       if (authorDetails != null)
       {
-        java.net.URL localJarFileURL = new java.net.URL(authorDetails);
+        URL localJarFileURL = new URL(authorDetails);
         InputStream in = localJarFileURL.openStream();
         applicationProperties.load(in);
         in.close();
@@ -417,51 +437,12 @@ public class Cache
     }
     if (authorDetails == null)
     {
-        applicationProperties.remove("AUTHORS");
-        applicationProperties.remove("AUTHORFNAMES");
-        applicationProperties.remove("YEAR");
+      applicationProperties.remove("AUTHORS");
+      applicationProperties.remove("AUTHORFNAMES");
+      applicationProperties.remove("YEAR");
     }
 
-    // FIND THE VERSION NUMBER AND BUILD DATE FROM jalview.jar
-    // MUST FOLLOW READING OF LOCAL PROPERTIES FILE AS THE
-    // VERSION MAY HAVE CHANGED SINCE LAST USING JALVIEW
-    String buildDetails = (Platform.isJS() ? null
-            : "jar:".concat(Cache.class.getProtectionDomain()
-                    .getCodeSource().getLocation().toString()
-                    .concat("!/.build_properties")));
-    if (buildDetails != null)
-    {
-      try
-      {
-        java.net.URL localJarFileURL = new java.net.URL(buildDetails);
-        InputStream in = localJarFileURL.openStream();
-        applicationProperties.load(in);
-        in.close();
-      } catch (Exception ex)
-      {
-        System.out.println("Error reading build details: " + ex);
-        buildDetails = null;
-      }
-    }
-    if (buildDetails == null)
-    {
-        applicationProperties.remove("VERSION");
-    }
-    String jnlpVersion = System.getProperty("jalview.version");
-    String codeVersion = getProperty("VERSION");
-    String codeInstallation = getProperty("INSTALLATION");
-    if (codeVersion == null)
-    {
-      // THIS SHOULD ONLY BE THE CASE WHEN TESTING!!
-      codeVersion = "Test";
-      jnlpVersion = "Test";
-      codeInstallation = "";
-    }
-    else
-    {
-      codeInstallation = " (" + codeInstallation + ")";
-    }
-    new BuildDetails(codeVersion, null, codeInstallation);
+    loadBuildProperties(false);
 
     SiftsSettings
             .setMapWithSifts(Cache.getDefault("MAP_WITH_SIFTS", false));
@@ -481,9 +462,6 @@ public class Cache
             "http://www.jalview.org/services/identifiers"));
     IdOrgSettings.setDownloadLocation(ID_ORG_FILE);
 
-    System.out
-            .println("Jalview Version: " + codeVersion + codeInstallation);
-
     StructureImportSettings.setDefaultStructureFileFormat(jalview.bin.Cache
             .getDefault("PDB_DOWNLOAD_FORMAT", PDB_DOWNLOAD_FORMAT));
     StructureImportSettings
@@ -491,14 +469,19 @@ public class Cache
     // StructureImportSettings
     // .setDefaultPDBFileParser(jalview.bin.Cache.getDefault(
     // "DEFAULT_PDB_FILE_PARSER", DEFAULT_PDB_FILE_PARSER));
-    // jnlpVersion will be null if we're using InstallAnywhere
+
+    String jnlpVersion = System.getProperty("jalview.version");
+
+    // jnlpVersion will be null if a latest version check for the channel needs
+    // to
+    // be done
     // Dont do this check if running in headless mode
+
     if (jnlpVersion == null && getDefault("VERSION_CHECK", true)
             && (System.getProperty("java.awt.headless") == null || System
                     .getProperty("java.awt.headless").equals("false")))
     {
-
-      class VersionChecker extends Thread
+      new Thread()
       {
         @Override
         public void run()
@@ -546,10 +529,7 @@ public class Cache
 
           setProperty("LATEST_VERSION", remoteVersion);
         }
-      }
-
-      VersionChecker vc = new VersionChecker();
-      vc.start();
+      }.start();
     }
     else
     {
@@ -563,17 +543,85 @@ public class Cache
       }
     }
 
-    setProperty("VERSION", codeVersion);
-
     // LOAD USERDEFINED COLOURS
-    jalview.bin.Cache
-            .initUserColourSchemes(getProperty("USER_DEFINED_COLOURS"));
+    Cache.initUserColourSchemes(getProperty("USER_DEFINED_COLOURS"));
     jalview.io.PIRFile.useModellerOutput = Cache.getDefault("PIR_MODELLER",
             false);
   }
 
+  /**
+   * construct a resource URL for the given absolute resource pathname
+   * 
+   * @param resourcePath
+   * @return
+   */
+  private static String resolveResourceURLFor(String resourcePath)
+  {
+    String url = null;
+    if (Platform.isJS() || !Cache.class.getProtectionDomain()
+            .getCodeSource().getLocation().toString().endsWith(".jar"))
+    {
+      try
+      {
+        url = Cache.class.getResource(resourcePath).toString();
+      } catch (Exception ex)
+      {
+        System.err.println("Failed to resolve resource " + resourcePath
+                + ": " + ex.getMessage());
+      }
+    }
+    else
+    {
+      url = "jar:".concat(Cache.class.getProtectionDomain().getCodeSource()
+              .getLocation().toString().concat("!" + resourcePath));
+    }
+    return url;
+  }
+
+  public void loadBuildProperties(boolean reportVersion)
+  {
+    String codeInstallation = getProperty("INSTALLATION");
+    boolean printVersion = codeInstallation == null;
+
+    /*
+     * read build properties - from the Jalview jar for a Java distribution,
+     * or from codebase file in test or JalviewJS context
+     */
+    try
+    {
+      String buildDetails = resolveResourceURLFor("/.build_properties");
+      URL localJarFileURL = new URL(buildDetails);
+      InputStream in = localJarFileURL.openStream();
+      applicationProperties.load(in);
+      in.close();
+    } catch (Exception ex)
+    {
+      System.out.println("Error reading build details: " + ex);
+      applicationProperties.remove("VERSION");
+    }
+    String codeVersion = getProperty("VERSION");
+    codeInstallation = getProperty("INSTALLATION");
+
+    if (codeVersion == null)
+    {
+      // THIS SHOULD ONLY BE THE CASE WHEN TESTING!!
+      codeVersion = "Test";
+      codeInstallation = "";
+    }
+    else
+    {
+      codeInstallation = " (" + codeInstallation + ")";
+    }
+    setProperty("VERSION", codeVersion);
+    new BuildDetails(codeVersion, null, codeInstallation);
+    if (printVersion && reportVersion)
+    {
+      System.out.println(
+              "Jalview Version: " + codeVersion + codeInstallation);
+    }
+  }
 
-  private static void deleteBuildProperties()
+  private void deleteBuildProperties()
   {
     applicationProperties.remove("LATEST_VERSION");
     applicationProperties.remove("VERSION");
@@ -595,12 +643,12 @@ public class Cache
    */
   public static String getProperty(String key)
   {
-    String prop = applicationProperties.getProperty(key);
-    if (prop == null && Platform.isJS())
-    {
-      prop = applicationProperties.getProperty(Platform.getUniqueAppletID()
-              + "_" + JS_PROPERTY_PREFIX + key);
-    }
+    String prop = getInstance().applicationProperties.getProperty(key);
+    // if (prop == null && Platform.isJS())
+    // {
+    // prop = applicationProperties.getProperty(Platform.getUniqueAppletID()
+    // + "_" + JS_PROPERTY_PREFIX + key);
+    // }
     return prop;
   }
 
@@ -660,33 +708,48 @@ public class Cache
    */
   public static Object setProperty(String key, String obj)
   {
-    Object oldValue = null;
-    try
-    {
-      oldValue = applicationProperties.setProperty(key, obj);
-      if (!propsAreReadOnly)
-      {
-        FileOutputStream out = new FileOutputStream(propertiesFile);
-        applicationProperties.store(out, "---JalviewX Properties File---");
-        out.close();
-      }
-    } catch (Exception ex)
-    {
-      System.out.println(
-              "Error setting property: " + key + " " + obj + "\n" + ex);
-    }
-    return oldValue;
+    return getInstance().setPropertyImpl(key, obj, true);
   }
 
   /**
-   * remove the specified property from the jalview properties file
+   * Removes the specified property from the jalview properties file
    * 
-   * @param string
+   * @param key
    */
-  public static void removeProperty(String string)
+  public static void removeProperty(String key)
   {
-    applicationProperties.remove(string);
-    saveProperties();
+    getInstance().removePropertyImpl(key, true);
+  }
+
+  /**
+   * Removes the named property for the running application, without saving the
+   * properties file
+   * 
+   * BH noting that ColourMenuHelper calls this. If the intent is to save, then
+   * simply chanet that call to removeProperty(key).
+   * 
+   * @param key
+   */
+  public static void removePropertyNoSave(String key)
+  {
+
+    getInstance().
+
+            removePropertyImpl(key, false);
+  }
+
+  /**
+   * Removes the named property, and optionally saves the current properties to
+   * file
+   * 
+   * @param key
+   * @param andSave
+   */
+  private void removePropertyImpl(String key, boolean andSave)
+  {
+    applicationProperties.remove(key);
+    if (andSave)
+      saveProperties();
   }
 
   /**
@@ -694,6 +757,15 @@ public class Cache
    */
   public static void saveProperties()
   {
+    getInstance().savePropertiesImpl();
+  }
+
+  /**
+   * save the properties to the jalview properties path
+   */
+  private void savePropertiesImpl()
+
+  {
     if (!propsAreReadOnly)
     {
       try
@@ -945,9 +1017,9 @@ public class Cache
    * @param property
    * @param colour
    */
-  public static void setColourProperty(String property, Color colour)
+  public static void setColourPropertyNoSave(String property, Color colour)
   {
-    setProperty(property, jalview.util.Format.getHexString(colour));
+    setPropertyNoSave(property, jalview.util.Format.getHexString(colour));
   }
 
   /**
@@ -975,11 +1047,16 @@ public class Cache
   public static Date getDateProperty(String propertyName)
   {
     String val = getProperty(propertyName);
+    
     if (val != null)
     {
       try
       {
-        return date_format.parse(val);
+        if ((val = val.trim()).indexOf(",") < 0 && val.indexOf("-") >= 0 && val.indexOf(" ") == val.lastIndexOf(" ")) {
+          val = val.replace(" ",", ").replace('-',' ');
+        }
+        Date date =  date_format.parse(val);
+        return date;
       } catch (Exception ex)
       {
         System.err.println("Invalid or corrupt date in property '"
@@ -1028,11 +1105,11 @@ public class Cache
     }
     if (value == null || value.trim().length() < 1)
     {
-      Cache.applicationProperties.remove(propName);
+      getInstance().applicationProperties.remove(propName);
     }
     else
     {
-      Cache.applicationProperties.setProperty(propName, value);
+      getInstance().applicationProperties.setProperty(propName, value);
     }
   }
 
@@ -1082,24 +1159,124 @@ public class Cache
       }
       else
       {
-        applicationProperties
+        getInstance().applicationProperties
                 .remove(UserDefinedColours.USER_DEFINED_COLOURS);
       }
     }
   }
 
-       /**
-        * Add a known domain that implements access-control-allow-origin:* bh 2018
-        * 
-        * @param defaultUniprotDomain
-        */
-       public static void addJ2SDirectDatabaseCall(String domain) 
-       {
-
-               /**
-                * @j2sNative
-                * 
-                *                      J2S.addDirectDatabaseCall(domain);
-                */
-       }
+  /**
+   * Initial logging information helper for various versions output
+   * 
+   * @param prefix
+   * @param value
+   * @param defaultValue
+   */
+  private static void appendIfNotNull(StringBuilder sb, String prefix,
+          String value, String suffix, String defaultValue)
+  {
+    if (value == null && defaultValue == null)
+    {
+      return;
+    }
+    String line = prefix + (value != null ? value : defaultValue) + suffix;
+    sb.append(line);
+  }
+
+  /**
+   * 
+   * @return Jalview version, build details and JVM platform version for console
+   */
+  public static String getVersionDetailsForConsole()
+  {
+    StringBuilder sb = new StringBuilder();
+    sb.append("Jalview Version: "
+            + jalview.bin.Cache.getDefault("VERSION", "TEST"));
+    sb.append("\n");
+    sb.append("Jalview Installation: "
+            + jalview.bin.Cache.getDefault("INSTALLATION", "unknown"));
+    sb.append("\n");
+    sb.append("Build Date: "
+            + jalview.bin.Cache.getDefault("BUILD_DATE", "unknown"));
+    sb.append("\n");
+    sb.append("Java version: " + System.getProperty("java.version"));
+    sb.append("\n");
+    sb.append(System.getProperty("os.arch") + " "
+            + System.getProperty("os.name") + " "
+            + System.getProperty("os.version"));
+    sb.append("\n");
+    appendIfNotNull(sb, "Install4j version: ",
+            System.getProperty("sys.install4jVersion"), "\n", null);
+    appendIfNotNull(sb, "Install4j template version: ",
+            System.getProperty("installer_template_version"), "\n", null);
+    appendIfNotNull(sb, "Launcher version: ",
+            System.getProperty("launcher_version"), "\n", null);
+    if (jalview.bin.Cache.getDefault("VERSION", "TEST")
+            .equals("DEVELOPMENT"))
+    {
+      appendIfNotNull(sb, "Getdown appdir: ",
+              System.getProperty("getdownappdir"), "\n", null);
+      appendIfNotNull(sb, "Java home: ", System.getProperty("java.home"),
+              "\n", "unknown");
+    }
+    return sb.toString();
+  }
+
+  /**
+   * 
+   * @return build details as reported in splashscreen
+   */
+  public static String getBuildDetailsForSplash()
+  {
+    // consider returning more human friendly info
+    // eg 'built from Source' or update channel
+    return jalview.bin.Cache.getDefault("INSTALLATION", "unknown");
+  }
+
+  /**
+   * 
+   * For AppletParams and Preferences ok_actionPerformed and
+   * startupFileTextfield_mouseClicked
+   * 
+   * Sets a property value for the running application, without saving it to the
+   * properties file
+   * 
+   * @param key
+   * @param obj
+   */
+  public static void setPropertyNoSave(String key, String obj)
+  {
+    getInstance().setPropertyImpl(key, obj, false);
+  }
+
+  /**
+   * Sets a property value, and optionally also saves the current properties to
+   * file
+   * 
+   * @param key
+   * @param obj
+   * @param andSave
+   * @return
+   */
+  private Object setPropertyImpl(
+          String key, String obj, boolean andSave)
+  {
+    Object oldValue = null;
+    try
+    {
+      oldValue = applicationProperties.setProperty(key, obj);
+      if (andSave && !propsAreReadOnly && propertiesFile != null)
+      {
+        FileOutputStream out = new FileOutputStream(propertiesFile);
+        applicationProperties.store(out, "---JalviewX Properties File---");
+        out.close();
+      }
+    } catch (Exception ex)
+    {
+      System.out.println(
+              "Error setting property: " + key + " " + obj + "\n" + ex);
+    }
+    return oldValue;
+  }
+
 }