Repackage to org.cristalise

1 files changed, 215 insertions, 0 deletions

diff --git a/src/main/java/org/cristalise/kernel/utils/ObjectProperties.java b/src/main/java/org/cristalise/kernel/utils/ObjectProperties.java
new file mode 100644
index 0000000..31ff57c
--- /dev/null
+++ b/src/main/java/org/cristalise/kernel/utils/ObjectProperties.java
@@ -0,0 +1,215 @@
+/**

+ * This file is part of the CRISTAL-iSE kernel.

+ * Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.

+ *

+ * This library is free software; you can redistribute it and/or modify it

+ * under the terms of the GNU Lesser General Public License as published

+ * by the Free Software Foundation; either version 3 of the License, or (at

+ * your option) any later version.

+ *

+ * This library is distributed in the hope that it will be useful, but WITHOUT

+ * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or

+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public

+ * License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public License

+ * along with this library; if not, write to the Free Software Foundation,

+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

+ *

+ * http://www.fsf.org/licensing/licenses/lgpl.html

+ */

+package org.cristalise.kernel.utils;

+

+import java.util.ArrayList;

+import java.util.Enumeration;

+import java.util.Properties;

+import java.util.StringTokenizer;

+

+public class ObjectProperties extends Properties {

+

+	public ObjectProperties() {

+	}

+

+	public ObjectProperties(Properties defaults) {

+		super(defaults);

+	}

+	

+	public String getString(String propName) {

+		return getString(propName, null);

+	}

+	

+	public String getString(String propName, String defaultValue) {

+		String value = super.getProperty(propName, defaultValue);

+		if (value!=null) value = value.trim();

+		return value;

+	}

+

+	/**

+	 * ogattaz proposal

+	 * 

+	 * @param propName

+	 *            the name of the property

+	 * @return the object value of the property. Returns null if the property

+	 *         doesn't exist or if the properties of the gateway is null

+	 */

+	public Object getObject(String propName) {

+		return getObject(propName, null);

+	}

+	

+	/**

+	 * ogattaz proposal

+	 * 

+	 * @param aPropertyName

+	 *            the name of the property

+	 * @param defaultValue

+	 *            the default value.

+	 * @return the object value of the property. Returns the default value if the property

+	 *         doesn't exist or if the properties of the gateway is null.

+	 * @return

+	 */

+	public Object getObject(String propName,

+			Object defaultValue) {

+

+		Object wValue = get(propName);

+		if (wValue == null) {

+			return defaultValue;

+		}

+		return wValue;

+	}

+	

+	/**

+	 * ogattaz proposal

+	 * 

+	 * @param propName

+	 *            the name of the paroperty

+	 * @return the boolean value of the property. Returns false if the property

+	 *         doesn't exist or if the value is not a String or a Boolean

+	 *         instance

+	 */

+	public boolean getBoolean(String aPropertyName) {

+		return getBoolean(aPropertyName, Boolean.FALSE);

+	}

+

+	/**

+	 * ogattaz proposal

+	 * 

+	 * @param propName

+	 *            the name of the parameter stored in the clc file

+	 * @param defaultValue

+	 *            the default value

+	 * @return the boolean value of the property. Returns the default value if

+	 *         the property doesn't exist or if the value is not a String or a

+	 *         Boolean instance

+	 */

+	public boolean getBoolean(String aPropertyName,

+			boolean defaultValue) {

+

+		Object wValue = getObject(aPropertyName, Boolean.valueOf(defaultValue));

+		if (wValue instanceof Boolean) {

+			return ((Boolean) wValue).booleanValue();

+		}

+		if (wValue instanceof String) {

+			return Boolean.parseBoolean((String) wValue);

+		}

+		Logger.error("getBoolean(): unable to retrieve a int value for ["+aPropertyName+"]. Returning default value ["+defaultValue+"]. object found="+wValue);

+

+		return defaultValue;

+	}

+

+	/**

+	 * ogattaz proposal

+	 * 

+	 * @param propName

+	 *            the name of the property

+	 * @return the int value of the property. Returns -1 if the property doesn't

+	 *         exist or if the value is not a String or an Integer instance

+	 */

+	public int getInt(String aPropertyName) {

+		return getInt(aPropertyName, -1);

+	}

+

+	/**

+	 * ogattaz proposal

+	 * 

+	 * @param propName

+	 *            the name of the property

+	 * @param defaultValue

+	 *            the default value

+	 * @return the int value of the property. Returns the default vakue if the

+	 *         property doesn't exist or if the value is not a String or an

+	 *         Integer instance

+	 */

+	public int getInt(String aPropertyName, int defaultValue) {

+

+		Object wValue = getObject(aPropertyName, Integer.valueOf(defaultValue));

+		if (wValue instanceof Integer) {

+			return ((Integer) wValue).intValue();

+		}

+		if (wValue instanceof String) {

+			try {

+				return Integer.parseInt((String) wValue);

+			} catch (NumberFormatException ex) { }

+		}

+		Logger.error("getInt(): unable to retrieve a int value for ["+aPropertyName+"]. Returning default value ["+defaultValue+"]. object found="+wValue);

+		return defaultValue;

+	}

+

+	/**

+	 * Allow setting of properties as Objects

+	 * 

+	 * @param aPropertyName

+	 *            the name of the property

+	 * @param aPropertyValue

+	 */

+	public void setProperty(String aPropertyName, Object aPropertyValue) {

+    	put(aPropertyName, aPropertyValue);

+    }

+

+	public void dumpProps(int logLevel) {

+	    Logger.msg(logLevel, "Properties:");

+	    for (Enumeration<?> e = propertyNames(); e.hasMoreElements();) {

+	        String name = (String) e.nextElement();

+	        Object value = getObject(name);

+	        if (value == null)

+	        	Logger.msg("    "+name+": null");

+	        else

+	        	Logger.msg("    "+name+" ("+getObject(name).getClass().getSimpleName()+"): '"+getObject(name).toString()+"'");

+	    }

+	}

+

+	public Object getInstance(String propName, Object defaultVal) throws InstantiationException, IllegalAccessException, ClassNotFoundException {

+		Object prop = getObject(propName, defaultVal);

+		if (prop == null || prop.equals(""))

+			throw new InstantiationException("Property '"+propName+"' was not defined. Cannot instantiate.");

+		if (prop instanceof String)

+			return Class.forName(((String)prop).trim()).newInstance();

+		return prop;

+	}

+	

+	public Object getInstance(String propName) throws InstantiationException, IllegalAccessException, ClassNotFoundException {

+		return getInstance(propName, null);

+	}		

+

+	public ArrayList<?> getInstances(String propName, Object defaultVal) throws InstantiationException, IllegalAccessException, ClassNotFoundException {

+		Object val = getObject(propName, defaultVal);

+		if (val == null) return null;

+		if (val instanceof ArrayList)

+			return (ArrayList<?>)val;

+		else if (val instanceof String) {

+			ArrayList<Object> retArr = new ArrayList<Object>();

+	        StringTokenizer tok = new StringTokenizer((String)val, ",");

+	        while (tok.hasMoreTokens()) 

+	            retArr.add(getInstance(tok.nextToken()));

+	        return retArr;

+		}

+	    else {

+	    	ArrayList<Object> retArr = new ArrayList<Object>();

+	    	retArr.add(val);

+	    	return retArr;

+	    }

+	}

+		

+	public ArrayList<?> getInstances(String propName) throws InstantiationException, IllegalAccessException, ClassNotFoundException {

+		return getInstances(propName, null);

+	}

+}