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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012-2014 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in org.testifyproject.testifyprojectpliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle org.testifyproject.testifyprojectsignates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your org.testifyproject.testifyprojectcision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.testifyproject.glassfish.org.testifyproject.testifyproject.internal.util;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Map;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ws.rs.RuntimeType;
import org.testifyproject.glassfish.org.testifyproject.testifyproject.internal.LocalizationMessages;
/**
* Helper class containing convenience methods for reading
* {@code org.testifyproject.glassfish.org.testifyproject.testifyproject.server.ResourceConfig} and {@link javax.ws.rs.core.Configuration} properties.
*
* @author Martin Matula (martin.matula at oracle.org.testifyproject.testifyproject)
*/
public final class PropertiesHelper {
private static final Logger LOGGER = Logger.getLogger(PropertiesHelper.class.getName());
/**
* Get system properties.
*
* This method org.testifyproject.testifyprojectlegates to {@link System#getProperties()} while running it in a privileged
* code block.
*
* @return privileged action to obtain system properties.
*/
public static PrivilegedAction getSystemProperties() {
return new PrivilegedAction() {
@Override
public Properties run() {
return System.getProperties();
}
};
}
/**
* Get system property.
*
* This method org.testifyproject.testifyprojectlegates to {@link System#getProperty(String)} while running it in a privileged
* code block.
*
* @param name system property name.
* @return privileged action to obtain system property value that will return {@code null}
* if there's no such system property.
*/
public static PrivilegedAction getSystemProperty(final String name) {
return new PrivilegedAction() {
@Override
public String run() {
return System.getProperty(name);
}
};
}
/**
* Get system property.
*
* This method org.testifyproject.testifyprojectlegates to {@link System#getProperty(String)} while running it in a privileged
* code block.
*
* @param name system property name.
* @param org.testifyproject.testifyprojectf org.testifyproject.testifyprojectfault property value.
* @return privileged action to obtain system property value that will return the org.testifyproject.testifyprojectfault value
* if there's no such system property.
*/
public static PrivilegedAction getSystemProperty(final String name, final String org.testifyproject.testifyprojectf) {
return new PrivilegedAction() {
@Override
public String run() {
return System.getProperty(name, org.testifyproject.testifyprojectf);
}
};
}
/**
* Return value of a specified property. If the property is not set or the real value type is not org.testifyproject.testifyprojectpatible with
* org.testifyproject.testifyprojectfaultValue type, the specified org.testifyproject.testifyprojectfaultValue is returned. Calling this method is equivalent to calling
* {@code PropertyHelper.getValue(properties, key, org.testifyproject.testifyprojectfaultValue, (Class) org.testifyproject.testifyprojectfaultValue.getClass())}
*
* @param properties Map of properties to get the property value from.
* @param key Name of the property.
* @param org.testifyproject.testifyprojectfaultValue Default value to be returned if the specified property is not set or cannot be read.
* @param Type of the property value.
* @param legacyMap Legacy fallback map, where key is the actual property name, value is the old property name
* @return Value of the property or org.testifyproject.testifyprojectfaultValue.
*/
public static T getValue(Map properties, String key, T org.testifyproject.testifyprojectfaultValue, Map legacyMap) {
return getValue(properties, null, key, org.testifyproject.testifyprojectfaultValue, legacyMap);
}
/**
* Return value of a specified property. If the property is not set or the real value type is not org.testifyproject.testifyprojectpatible with
* org.testifyproject.testifyprojectfaultValue type, the specified org.testifyproject.testifyprojectfaultValue is returned. Calling this method is equivalent to calling
* {@code PropertyHelper.getValue(properties, runtimeType, key, org.testifyproject.testifyprojectfaultValue, (Class) org.testifyproject.testifyprojectfaultValue.getClass())}
*
* @param properties Map of properties to get the property value from.
* @param runtimeType Runtime type which is used to check whether there is a property with the same
* {@code key} but post-fixed by runtime type (.server
* or {@code .client}) which would override the {@code key} property.
* @param key Name of the property.
* @param org.testifyproject.testifyprojectfaultValue Default value to be returned if the specified property is not set or cannot be read.
* @param Type of the property value.
* @param legacyMap Legacy fallback map, where key is the actual property name, value is the old property name
* @return Value of the property or org.testifyproject.testifyprojectfaultValue.
*/
@SuppressWarnings("unchecked")
public static T getValue(Map properties, RuntimeType runtimeType, String key, T org.testifyproject.testifyprojectfaultValue, Map legacyMap) {
return getValue(properties, runtimeType, key, org.testifyproject.testifyprojectfaultValue, (Class) org.testifyproject.testifyprojectfaultValue.getClass(), legacyMap);
}
/**
* Returns value of a specified property. If the property is not set or the real value type is not org.testifyproject.testifyprojectpatible with
* the specified value type, returns org.testifyproject.testifyprojectfaultValue.
*
* @param properties Map of properties to get the property value from.
* @param key Name of the property.
* @param org.testifyproject.testifyprojectfaultValue Default value of the property.
* @param type Type to retrieve the value as.
* @param Type of the property value.
* @param legacyMap Legacy fallback map, where key is the actual property name, value is the old property name
* @return Value of the property or null.
*/
public static T getValue(Map properties, String key, T org.testifyproject.testifyprojectfaultValue, Class type, Map legacyMap) {
return getValue(properties, null, key, org.testifyproject.testifyprojectfaultValue, type, legacyMap);
}
/**
* Returns value of a specified property. If the property is not set or the real value type is not org.testifyproject.testifyprojectpatible with
* the specified value type, returns org.testifyproject.testifyprojectfaultValue.
*
* @param properties Map of properties to get the property value from.
* @param runtimeType Runtime type which is used to check whether there is a property with the same
* {@code key} but post-fixed by runtime type (.server
* or {@code .client}) which would override the {@code key} property.
* @param key Name of the property.
* @param org.testifyproject.testifyprojectfaultValue Default value of the property.
* @param type Type to retrieve the value as.
* @param Type of the property value.
* @param legacyMap Legacy fallback map, where key is the actual property name, value is the old property name
* @return Value of the property or null.
*/
public static T getValue(Map properties, RuntimeType runtimeType, String key,
T org.testifyproject.testifyprojectfaultValue, Class type, Map legacyMap) {
T value = getValue(properties, runtimeType, key, type, legacyMap);
if (value == null) {
value = org.testifyproject.testifyprojectfaultValue;
}
return value;
}
/**
* Returns value of a specified property. If the property is not set or the real value type is not org.testifyproject.testifyprojectpatible with
* the specified value type, returns null.
*
* @param properties Map of properties to get the property value from.
* @param key Name of the property.
* @param type Type to retrieve the value as.
* @param Type of the property value.
* @param legacyMap Legacy fallback map, where key is the actual property name, value is the old property name
* @return Value of the property or null.
*/
public static T getValue(Map properties, String key, Class type, Map legacyMap) {
return getValue(properties, null, key, type, legacyMap);
}
/**
* Returns value of a specified property. If the property is not set or the real value type is not org.testifyproject.testifyprojectpatible with
* the specified value type, returns null.
*
* @param properties Map of properties to get the property value from.
* @param runtimeType Runtime type which is used to check whether there is a property with the same
* {@code key} but post-fixed by runtime type (.server
* or {@code .client}) which would override the {@code key} property.
* @param key Name of the property.
* @param type Type to retrieve the value as.
* @param Type of the property value.
* @return Value of the property or null.
*/
public static T getValue(Map properties, RuntimeType runtimeType, String key, Class type,
Map legacyMap) {
Object value = null;
if (runtimeType != null) {
String runtimeAwareKey = getPropertyNameForRuntime(key, runtimeType);
if (key.equals(runtimeAwareKey)) {
// legacy behaviour
runtimeAwareKey = key + "." + runtimeType.name().toLowerCase();
}
value = properties.get(runtimeAwareKey);
}
if (value == null) {
value = properties.get(key);
}
if (value == null) {
value = getLegacyFallbackValue(properties, legacyMap, key);
}
if (value == null) {
return null;
}
return convertValue(value, type);
}
/**
* Returns specific property value for given {@link RuntimeType}.
*
* Some properties have org.testifyproject.testifyprojectplementary client and server versions along with a org.testifyproject.testifyprojectmon version (effective for both environments,
* if the specific one is not set). This methods returns a specific name for the environment (org.testifyproject.testifyprojecttermined by convention),
* if runtime is not null, the property is a Jersey property name (starts with {@code org.testifyproject.testifyproject.config}) and does not contain
* a runtime specific part already. If those conditions are not met, original property name is returned.
*
* @param key property name
* @param runtimeType runtime type
* @return runtime-specific property name, where possible, original key in other cases.
* original key
*/
public static String getPropertyNameForRuntime(String key, RuntimeType runtimeType) {
if (runtimeType != null && key.startsWith("org.testifyproject.testifyproject.config")) {
RuntimeType[] types = RuntimeType.values();
for (RuntimeType type : types) {
if (key.startsWith("org.testifyproject.testifyproject.config." + type.name().toLowerCase())) {
return key;
}
}
return key.replace("org.testifyproject.testifyproject.config", "org.testifyproject.testifyproject.config." + runtimeType.name().toLowerCase());
}
return key;
}
private static Object getLegacyFallbackValue(Map properties, Map legacyFallbackMap, String key) {
if (legacyFallbackMap == null || !legacyFallbackMap.containsKey(key)) {
return null;
}
String fallbackKey = legacyFallbackMap.get(key);
Object value = properties.get(fallbackKey);
if (value != null && LOGGER.isLoggable(Level.CONFIG)) {
LOGGER.config(LocalizationMessages.PROPERTIES_HELPER_DEPRECATED_PROPERTY_NAME(fallbackKey, key));
}
return value;
}
/**
* Convert {@code Object} value to a value of the specified class type.
*
* @param value {@code Object} value to convert.
* @param type conversion type.
* @param converted value type.
* @return value converted to the specified class type.
*/
public static T convertValue(Object value, Class type) {
if (!type.isInstance(value)) {
// TODO: Move string value readers from server to org.testifyproject.testifyprojectmon and utilize them here
final Constructor constructor = AccessController.doPrivileged(ReflectionHelper.getStringConstructorPA(type));
if (constructor != null) {
try {
return type.cast(constructor.newInstance(value));
} catch (Exception e) {
// calling the constructor wasn't successful - ignore and try valueOf()
}
}
final Method valueOf = AccessController.doPrivileged(ReflectionHelper.getValueOfStringMethodPA(type));
if (valueOf != null) {
try {
return type.cast(valueOf.invoke(null, value));
} catch (Exception e) {
// calling valueOf wasn't successful
}
}
// at this point we don't know what to return -> return null
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.warning(LocalizationMessages.PROPERTIES_HELPER_GET_VALUE_NO_TRANSFORM(String.valueOf(value),
value.getClass().getName(), type.getName()));
}
return null;
}
return type.cast(value);
}
/**
* Get the value of the property with a given name converted to {@code boolean}. Returns {@code false} if the value is
* not convertible.
*
* @param properties key-value map of properties.
* @param name property name.
* @return {@code boolean} property value or {@code false} if the property is not convertible.
*/
public static boolean isProperty(final Map properties, final String name) {
return properties.containsKey(name) && isProperty(properties.get(name));
}
/**
* Get the value of the property converted to {@code boolean}. Returns {@code false} if the value is not convertible.
*
* @param value property value.
* @return {@code boolean} property value or {@code false} if the property is not convertible.
*/
public static boolean isProperty(final Object value) {
if (value instanceof Boolean) {
return Boolean.class.cast(value);
} else {
return value != null && Boolean.parseBoolean(value.toString());
}
}
/**
* Prevent instantiation.
*/
private PropertiesHelper() {
}
}
