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This artifact provides means to read configuration data from various
different locations such as properties from JAR files, file system
files or remote HTTP addresses or GIT repositories.
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// /////////////////////////////////////////////////////////////////////////////
// REFCODES.ORG
// =============================================================================
// This code is copyright (c) by Siegfried Steiner, Munich, Germany, distributed
// on an "AS IS" BASIS WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, and licen-
// sed under the following (see "http://en.wikipedia.org/wiki/Multi-licensing")
// licenses:
// =============================================================================
// GNU General Public License, v3.0 ("http://www.gnu.org/licenses/gpl-3.0.html")
// together with the GPL linking exception applied; as being applied by the GNU
// Classpath ("http://www.gnu.org/software/classpath/license.html")
// =============================================================================
// Apache License, v2.0 ("http://www.apache.org/licenses/TEXT-2.0")
// =============================================================================
// Please contact the copyright holding author(s) of the software artifacts in
// question for licensing issues not being covered by the above listed licenses,
// also regarding commercial licensing models or regarding the compatibility
// with other open source licenses.
// /////////////////////////////////////////////////////////////////////////////
package org.refcodes.properties;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.text.ParseException;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.refcodes.data.Delimiter;
import org.refcodes.data.FilenameExtension;
import org.refcodes.runtime.ConfigLocator;
/**
* Implementation of the {@link ResourceProperties} interface with support of so
* called "Java properties" (or just "properties"). For Java properties, see
* "https://en.wikipedia.org/wiki/.properties".
*/
public class JavaProperties extends AbstractResourceProperties {
// /////////////////////////////////////////////////////////////////////////
// CONSTRUCTORS:
// /////////////////////////////////////////////////////////////////////////
/**
* Loads the Java properties from the given file's path.
*
* @param aResourceClass The class which's class loader is to take care of
* loading the properties (from inside a JAR).
* @param aFilePath The file path of the class's resources from which to
* load the properties.
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( Class aResourceClass, String aFilePath ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aResourceClass, aFilePath ) );
}
/**
* Loads the Java properties from the given file's path.
*
* @param aResourceClass The class which's class loader is to take care of
* loading the properties (from inside a JAR).
* @param aFilePath The file path of the class's resources from which to
* load the properties.
* @param aDocumentMetrics Provides various metrics which may be tweaked
* when marshaling or unmarshaling documents of various nations (such
* as INI, XML, YAML, JSON, TOML, PROPERTIES, etc.).
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( Class aResourceClass, String aFilePath, DocumentMetrics aDocumentMetrics ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aResourceClass, aFilePath, aDocumentMetrics ) );
}
/**
* Loads the Java properties from the given file's path. A provided
* {@link ConfigLocator} describes the locations to additional crawl for the
* desired file. Finally (if nothing else succeeds) the properties are
* loaded by the provided class's class loader which takes care of loading
* the properties (in case the file path is a relative path, also the
* absolute path with a prefixed path delimiter "/" is probed).
*
* @param aResourceClass The class which's class loader is to take care of
* loading the properties (from inside a JAR).
* @param aFilePath The file path of the class's resources from which to
* load the properties.
* @param aConfigLocator The {@link ConfigLocator} describes the locations
* to additional crawl for the desired file.
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( Class aResourceClass, String aFilePath, ConfigLocator aConfigLocator ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aResourceClass, aFilePath, aConfigLocator ) );
}
/**
* Loads the Java properties from the given file's path. A provided
* {@link ConfigLocator} describes the locations to additional crawl for the
* desired file. Finally (if nothing else succeeds) the properties are
* loaded by the provided class's class loader which takes care of loading
* the properties (in case the file path is a relative path, also the
* absolute path with a prefixed path delimiter "/" is probed).
*
* @param aResourceClass The class which's class loader is to take care of
* loading the properties (from inside a JAR).
* @param aFilePath The file path of the class's resources from which to
* load the properties.
* @param aConfigLocator The {@link ConfigLocator} describes the locations
* to additional crawl for the desired file.
* @param aDocumentMetrics Provides various metrics which may be tweaked
* when marshaling or unmarshaling documents of various nations (such
* as INI, XML, YAML, JSON, TOML, PROPERTIES, etc.).
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( Class aResourceClass, String aFilePath, ConfigLocator aConfigLocator, DocumentMetrics aDocumentMetrics ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aResourceClass, aFilePath, aConfigLocator, aDocumentMetrics ) );
}
/**
* Loads the Java properties from the given {@link File}.
*
* @param aFile The {@link File} from which to load the properties.
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( File aFile ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aFile ) );
}
/**
* Loads the Java properties from the given {@link File}.
*
* @param aFile The {@link File} from which to load the properties.
* @param aDocumentMetrics Provides various metrics which may be tweaked
* when marshaling or unmarshaling documents of various nations (such
* as INI, XML, YAML, JSON, TOML, PROPERTIES, etc.).
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( File aFile, DocumentMetrics aDocumentMetrics ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aFile, aDocumentMetrics ) );
}
/**
* Loads or seeks the Java properties from the given {@link File}. A
* provided {@link ConfigLocator} describes the locations to additional
* crawl for the desired file.
*
* @param aFile The {@link File} from which to load the properties.
* @param aConfigLocator The {@link ConfigLocator} describes the locations
* to additional crawl for the desired file.
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( File aFile, ConfigLocator aConfigLocator ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aFile, aConfigLocator ) );
}
/**
* Loads or seeks the Java properties from the given {@link File}. A
* provided {@link ConfigLocator} describes the locations to additional
* crawl for the desired file.
*
* @param aFile The {@link File} from which to load the properties.
* @param aConfigLocator The {@link ConfigLocator} describes the locations
* to additional crawl for the desired file.
* @param aDocumentMetrics Provides various metrics which may be tweaked
* when marshaling or unmarshaling documents of various nations (such
* as INI, XML, YAML, JSON, TOML, PROPERTIES, etc.).
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( File aFile, ConfigLocator aConfigLocator, DocumentMetrics aDocumentMetrics ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aFile, aConfigLocator, aDocumentMetrics ) );
}
/**
* Reads the Java properties from the given {@link InputStream}.
*
* @param aInputStream The {@link InputStream} from which to read the
* properties.
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( InputStream aInputStream ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aInputStream ) );
}
/**
* Reads the Java properties from the given {@link InputStream}.
*
* @param aInputStream The {@link InputStream} from which to read the
* properties.
* @param aDocumentMetrics Provides various metrics which may be tweaked
* when marshaling or unmarshaling documents of various nations (such
* as INI, XML, YAML, JSON, TOML, PROPERTIES, etc.).
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( InputStream aInputStream, DocumentMetrics aDocumentMetrics ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aInputStream, aDocumentMetrics ) );
}
/**
* Create a {@link JavaProperties} instance containing the elements of the
* provided {@link Map} instance using the default path delimiter "/"
* ({@link Delimiter#PATH}) for the path declarations.
*
* @param aProperties the properties to be added.
*/
public JavaProperties( Map aProperties ) {
super( new JavaPropertiesBuilder( aProperties ) );
}
/**
* Create a {@link JavaProperties} instance containing the elements as of
* {@link MutablePathMap#insert(Object)} using the default path delimiter
* "/" ({@link Delimiter#PATH}) for the path declarations: "Inspects the
* given object and adds all elements found in the given object. Elements of
* type {@link Map}, {@link Collection} and arrays are identified and
* handled as of their type: The path for each value in a {@link Map} is
* appended with its according key. The path for each value in a
* {@link Collection} or array is appended with its according index of
* occurrence (in case of a {@link List} or an array, its actual index). In
* case of reflection, the path for each member is appended with its
* according mamber's name. All elements (e.g. the members and values) are
* inspected recursively which results in the according paths of the
* terminating values."
*
* @param aObj The object from which the elements are to be added.
*/
public JavaProperties( Object aObj ) {
super( new JavaPropertiesBuilder( aObj ) );
}
/**
* Create a {@link JavaProperties} instance containing the elements of the
* provided {@link Properties} instance using the default path delimiter "/"
* ({@link Delimiter#PATH}) for the path declarations.
*
* @param aProperties the properties to be added.
*/
public JavaProperties( Properties aProperties ) {
super( new JavaPropertiesBuilder( aProperties ) );
}
/**
* Create a {@link JavaProperties} instance containing the elements of the
* provided {@link PropertiesBuilder} instance using the default path
* delimiter "/" ({@link Delimiter#PATH}) for the path declarations.
*
* @param aProperties the properties to be added.
*/
public JavaProperties( PropertiesBuilder aProperties ) {
super( new JavaPropertiesBuilder( aProperties ) );
}
/**
* Loads the Java properties from the given file's path.
*
* @param aFilePath The path to the file from which to load the properties.
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( String aFilePath ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aFilePath ) );
}
/**
* Loads the Java properties from the given file's path.
*
* @param aFilePath The path to the file from which to load the properties.
* @param aDocumentMetrics Provides various metrics which may be tweaked
* when marshaling or unmarshaling documents of various nations (such
* as INI, XML, YAML, JSON, TOML, PROPERTIES, etc.).
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( String aFilePath, DocumentMetrics aDocumentMetrics ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aFilePath, aDocumentMetrics ) );
}
/**
* Loads the Java properties from the given file's path. A provided
* {@link ConfigLocator} describes the locations to additional crawl for the
* desired file.
*
* @param aFilePath The path to the file from which to load the properties.
* @param aConfigLocator The {@link ConfigLocator} describes the locations
* to additional crawl for the desired file.
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( String aFilePath, ConfigLocator aConfigLocator ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aFilePath, aConfigLocator ) );
}
/**
* Loads the Java properties from the given file's path. A provided
* {@link ConfigLocator} describes the locations to additional crawl for the
* desired file.
*
* @param aFilePath The path to the file from which to load the properties.
* @param aConfigLocator The {@link ConfigLocator} describes the locations
* to additional crawl for the desired file.
* @param aDocumentMetrics Provides various metrics which may be tweaked
* when marshaling or unmarshaling documents of various nations (such
* as INI, XML, YAML, JSON, TOML, PROPERTIES, etc.).
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( String aFilePath, ConfigLocator aConfigLocator, DocumentMetrics aDocumentMetrics ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aFilePath, aConfigLocator, aDocumentMetrics ) );
}
/**
* Loads the Java properties from the given {@link URL}.
*
* @param aUrl The {@link URL} from which to read the properties.
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( URL aUrl ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aUrl ) );
}
/**
* Loads the Java properties from the given {@link URL}.
*
* @param aUrl The {@link URL} from which to read the properties.
* @param aDocumentMetrics Provides various metrics which may be tweaked
* when marshaling or unmarshaling documents of various nations (such
* as INI, XML, YAML, JSON, TOML, PROPERTIES, etc.).
*
* @throws IOException thrown in case accessing or processing the properties
* file failed.
* @throws ParseException Signals that an error has been reached
* unexpectedly while parsing the data to be loaded.
*/
public JavaProperties( URL aUrl, DocumentMetrics aDocumentMetrics ) throws IOException, ParseException {
super( new JavaPropertiesBuilder( aUrl, aDocumentMetrics ) );
}
/**
* Create an empty {@link JavaProperties} instance.
*/
protected JavaProperties() {
super( new JavaPropertiesBuilder() );
}
// /////////////////////////////////////////////////////////////////////////
// METHODS:
// /////////////////////////////////////////////////////////////////////////
/**
* {@inheritDoc}
*/
@Override
public boolean containsKey( Object aKey ) {
return _properties.containsKey( aKey );
}
/**
* {@inheritDoc}
*/
@Override
public String get( Object aKey ) {
return _properties.get( aKey );
}
/**
* {@inheritDoc}
*/
@Override
public char getDelimiter() {
return _properties.getDelimiter();
}
/**
* {@inheritDoc}
*/
@Override
public Class getType() {
return _properties.getType();
}
/**
* {@inheritDoc}
*/
@Override
public boolean isEmpty() {
return _properties.isEmpty();
}
/**
* {@inheritDoc}
*/
@Override
public Set keySet() {
return _properties.keySet();
}
/**
* {@inheritDoc}
*/
@Override
public Properties reload() throws IOException, ParseException {
return _properties.reload();
}
/**
* {@inheritDoc}
*/
@Override
public Properties reload( ReloadMode aReloadMode ) throws IOException, ParseException {
return _properties.reload( aReloadMode );
}
/**
* {@inheritDoc}
*/
@Override
public Properties retrieveFrom( String aFromPath ) {
return _properties.retrieveFrom( aFromPath );
}
/**
* {@inheritDoc}
*/
@Override
public Properties retrieveTo( String aToPath ) {
return _properties.retrieveTo( aToPath );
}
/**
* {@inheritDoc}
*/
@Override
public int size() {
return _properties.size();
}
/**
* {@inheritDoc}
*/
@Override
public Object toDataStructure( String aFromPath ) {
return _properties.toDataStructure( aFromPath );
}
/**
* {@inheritDoc}
*/
@Override
public Collection values() {
return _properties.values();
}
// /////////////////////////////////////////////////////////////////////////
// INNER CLASSES:
// /////////////////////////////////////////////////////////////////////////
/**
* The {@link JavaPropertiesFactory} represents a
* {@link ResourcePropertiesFactory} creating instances of type
* {@link JavaProperties}.
*/
public static class JavaPropertiesFactory implements ResourcePropertiesFactory {
// /////////////////////////////////////////////////////////////////////
// VARIABLES:
// /////////////////////////////////////////////////////////////////////
private final DocumentMetrics _documentMetrics;
// /////////////////////////////////////////////////////////////////////
// CONSTRUCTORS:
// /////////////////////////////////////////////////////////////////////
/**
* Constructs an {@link JavaPropertiesFactory} for creating
* {@link XmlPropertiesBuilder} instances.
*/
public JavaPropertiesFactory() {
this( DocumentNotation.DEFAULT );
}
/**
* Constructs an {@link JavaPropertiesFactory} for creating
* {@link XmlPropertiesBuilder} instances.
*
* @param aDocumentMetrics Provides various metrics which may be tweaked
* when marshaling or unmarshaling documents of various nations (such
* as INI, XML, YAML, JSON, TOML, PROPERTIES, etc.).
*/
public JavaPropertiesFactory( DocumentMetrics aDocumentMetrics ) {
_documentMetrics = aDocumentMetrics;
}
// /////////////////////////////////////////////////////////////////////
// METHODS:
// /////////////////////////////////////////////////////////////////////
/**
* {@inheritDoc}
*/
@Override
public String[] getFilenameSuffixes() {
return new String[] { FilenameExtension.PROPERTIES.getFilenameSuffix() };
}
/**
* {@inheritDoc}
*/
@Override
public ResourceProperties toProperties( Class aResourceClass, String aFilePath, ConfigLocator aConfigLocator ) throws IOException, ParseException {
return new JavaProperties( aResourceClass, aFilePath, aConfigLocator, _documentMetrics );
}
/**
* {@inheritDoc}
*/
@Override
public ResourceProperties toProperties( File aFile, ConfigLocator aConfigLocator ) throws IOException, ParseException {
return new JavaProperties( aFile, aConfigLocator, _documentMetrics );
}
/**
* {@inheritDoc}
*/
@Override
public ResourceProperties toProperties( InputStream aInputStream ) throws IOException, ParseException {
return new JavaProperties( aInputStream, _documentMetrics );
}
/**
* {@inheritDoc}
*/
@Override
public ResourceProperties toProperties( Map aProperties ) {
return new JavaProperties( aProperties );
}
/**
* {@inheritDoc}
*/
@Override
public ResourceProperties toProperties( Object aObj ) {
return new JavaProperties( aObj );
}
/**
* {@inheritDoc}
*/
@Override
public ResourceProperties toProperties( Properties aProperties ) {
return new JavaProperties( aProperties );
}
/**
* {@inheritDoc}
*/
@Override
public ResourceProperties toProperties( PropertiesBuilder aProperties ) {
return new JavaProperties( aProperties );
}
/**
* {@inheritDoc}
*/
@Override
public ResourceProperties toProperties( String aFilePath, ConfigLocator aConfigLocator ) throws IOException, ParseException {
return new JavaProperties( aFilePath, aConfigLocator, _documentMetrics );
}
/**
* {@inheritDoc}
*/
@Override
public ResourceProperties toProperties( URL aUrl ) throws IOException, ParseException {
return new JavaProperties( aUrl, _documentMetrics );
}
}
}
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