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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.openjpa.lib.util;
import java.util.Properties;
/**
* A specialization of the {@link Properties} map type with added
* convenience methods to retrieve and set options as primitive values.
* The internal representation of all data is kept in string form.
*
* @author Abe White
* @nojavadoc
*/
public class TypedProperties extends Properties {
/**
* Default constructor.
*/
public TypedProperties() {
super();
}
/**
* Construct the properties instance with the given set of defaults.
*
* @see Properties#Properties(Properties)
*/
public TypedProperties(Properties defaults) {
super(defaults);
}
/**
* Return the property under the given key as a boolean, or false if
* it does not exist and has no set default.
*/
public boolean getBooleanProperty(String key) {
return getBooleanProperty(key, false);
}
/**
* Return the property under the given key as a boolean, or the given
* default if it does not exist.
*/
public boolean getBooleanProperty(String key, boolean def) {
String val = getProperty(key);
if (val == null)
return def;
return "t".equalsIgnoreCase(val) || "true".equalsIgnoreCase(val);
}
/**
* Return the property under the given key as a float, or 0 if
* it does not exist and has no set default.
*
* @throws NumberFormatException on parse error
*/
public float getFloatProperty(String key) {
return getFloatProperty(key, 0F);
}
/**
* Return the property under the given key as a float, or the given
* default if it does not exist.
*
* @throws NumberFormatException on parse error
*/
public float getFloatProperty(String key, float def) {
String val = getProperty(key);
return (val == null) ? def : Float.parseFloat(val);
}
/**
* Return the property under the given key as a double, or 0 if
* it does not exist and has no set default.
*
* @throws NumberFormatException on parse error
*/
public double getDoubleProperty(String key) {
return getDoubleProperty(key, 0D);
}
/**
* Return the property under the given key as a double, or the given
* default if it does not exist.
*
* @throws NumberFormatException on parse error
*/
public double getDoubleProperty(String key, double def) {
String val = getProperty(key);
return (val == null) ? def : Double.parseDouble(val);
}
/**
* Return the property under the given key as a long, or 0 if
* it does not exist and has no set default.
*
* @throws NumberFormatException on parse error
*/
public long getLongProperty(String key) {
return getLongProperty(key, 0L);
}
/**
* Return the property under the given key as a double, or the given
* default if it does not exist.
*
* @throws NumberFormatException on parse error
*/
public long getLongProperty(String key, long def) {
String val = getProperty(key);
return (val == null) ? def : Long.parseLong(val);
}
/**
* Return the property under the given key as an int, or 0 if
* it does not exist and has no set default.
*
* @throws NumberFormatException on parse error
*/
public int getIntProperty(String key) {
return getIntProperty(key, 0);
}
/**
* Return the property under the given key as an int, or the given
* default if it does not exist.
*
* @throws NumberFormatException on parse error
*/
public int getIntProperty(String key, int def) {
String val = getProperty(key);
return (val == null) ? def : Integer.parseInt(val);
}
/**
* Overrides {@link Properties#setProperty(String,String)} to remove
* the key if the given value is null.
*
* @see Properties#setProperty(String,String)
*/
public Object setProperty(String key, String val) {
if (val == null)
return remove(key);
return super.setProperty(key, val);
}
/**
* Set the given key to a string version of the given value.
*
* @see Properties#setProperty(String,String)
*/
public void setProperty(String key, boolean val) {
setProperty(key, String.valueOf(val));
}
/**
* Set the given key to a string version of the given value.
*
* @see Properties#setProperty(String,String)
*/
public void setProperty(String key, double val) {
setProperty(key, String.valueOf(val));
}
/**
* Set the given key to a string version of the given value.
*
* @see Properties#setProperty(String,String)
*/
public void setProperty(String key, float val) {
setProperty(key, String.valueOf(val));
}
/**
* Set the given key to a string version of the given value.
*
* @see Properties#setProperty(String,String)
*/
public void setProperty(String key, int val) {
setProperty(key, String.valueOf(val));
}
/**
* Set the given key to a string version of the given value.
*
* @see Properties#setProperty(String,String)
*/
public void setProperty(String key, long val) {
setProperty(key, String.valueOf(val));
}
/**
* Remove the given property.
*/
public String removeProperty(String key) {
Object val = remove(key);
return (val == null) ? null : val.toString();
}
/**
* Remove the given property, or return the given default if it does
* not exist.
*/
public String removeProperty(String key, String def) {
if (!containsKey(key))
return def;
return removeProperty(key);
}
/**
* Remove the property under the given key as a boolean.
*/
public boolean removeBooleanProperty(String key) {
String val = removeProperty(key);
return "t".equalsIgnoreCase(val) || "true".equalsIgnoreCase(val);
}
/**
* Remove the property under the given key as a boolean, or return the
* given default if it does not exist.
*/
public boolean removeBooleanProperty(String key, boolean def) {
if (!containsKey(key))
return def;
return removeBooleanProperty(key);
}
/**
* Remove the property under the given key as a double.
*
* @throws NumberFormatException on parse error
*/
public double removeDoubleProperty(String key) {
String val = removeProperty(key);
return (val == null) ? 0D : Double.parseDouble(val);
}
/**
* Remove the property under the given key as a double, or return the
* given default if it does not exist.
*
* @throws NumberFormatException on parse error
*/
public double removeDoubleProperty(String key, double def) {
if (!containsKey(key))
return def;
return removeDoubleProperty(key);
}
/**
* Remove the property under the given key as a float.
*
* @throws NumberFormatException on parse error
*/
public float removeFloatProperty(String key) {
String val = removeProperty(key);
return (val == null) ? 0F : Float.parseFloat(val);
}
/**
* Remove the property under the given key as a float, or return the
* given default if it does not exist.
*
* @throws NumberFormatException on parse error
*/
public float removeFloatProperty(String key, float def) {
if (!containsKey(key))
return def;
return removeFloatProperty(key);
}
/**
* Remove the property under the given key as a int.
*
* @throws NumberFormatException on parse error
*/
public int removeIntProperty(String key) {
String val = removeProperty(key);
return (val == null) ? 0 : Integer.parseInt(val);
}
/**
* Remove the property under the given key as a int, or return the
* given default if it does not exist.
*
* @throws NumberFormatException on parse error
*/
public int removeIntProperty(String key, int def) {
if (!containsKey(key))
return def;
return removeIntProperty(key);
}
/**
* Remove the property under the given key as a long.
*
* @throws NumberFormatException on parse error
*/
public long removeLongProperty(String key) {
String val = removeProperty(key);
return (val == null) ? 0L : Long.parseLong(val);
}
/**
* Remove the property under the given key as a long, or return the
* given default if it does not exist.
*
* @throws NumberFormatException on parse error
*/
public long removeLongProperty(String key, long def) {
if (!containsKey(key))
return def;
return removeLongProperty(key);
}
}
