org.mmbase.applications.media.builders
Class MediaProviders

java.lang.Object
  org.mmbase.module.core.MMTable
      org.mmbase.module.core.MMObjectBuilder
          org.mmbase.applications.media.builders.MediaProviders

public class MediaProviders

extends MMObjectBuilder

A MediaProvider builder describes a service that offers a media service. The mediaprovider is related to the mediasources that are available on the mediaprovider. A mediaprovider can be online/offline.

Since:

MMBase-1.7

Version:

$Id: MediaProviders.java,v 1.11 2003/07/28 08:36:42 vpro Exp $

Author:

Michiel Meeuwissen

Field Summary

static int	STATE_OFF
static int	STATE_ON

Fields inherited from class org.mmbase.module.core.MMObjectBuilder

AGE_PARAMETERS, broadcastChanges, database, DEFAULT_ALINEA, DEFAULT_EOL, description, descriptions, fields, GUI_PARAMETERS, listCache, nodeCache, OBJ2TYPE_MAX_SIZE, oType, REPLACE_CACHE, searchAge, sortedDBLayout, TEMPNODE_DEFAULT_SIZE, TemporaryNodes, virtual

Fields inherited from class org.mmbase.module.core.MMTable

mmb, tableName

Constructor Summary

MediaProviders()

Method Summary

protected java.lang.Object	executeFunction(MMObjectNode node, java.lang.String function, java.util.List args) Executes a function on the field of a node, and returns the result.
protected java.util.List	getURLs(MMObjectNode provider, MMObjectNode source, MMObjectNode fragment, java.util.Map info, java.util.List urls, java.util.Set cacheExpireObjects) A MediaProvider can provide one or more URL's for every source
boolean	init() Initializes this builder The property 'mmb' needs to be set for the builder before this method can be called.

Methods inherited from class org.mmbase.module.core.MMObjectBuilder

addField, addLocalObserver, addRemoteObserver, buildSet, checkAddTmpField, commit, convertMMNode2SQL, count, count, create, createAlias, delete, deleteNodeCache, drop, equals, equals, executeFunction, fieldLocalChanged, getAge, getAliasedNode, getAncestors, getCacheNumbers, getCacheSize, getCacheSize, getClassName, getConfigFile, getDBByte, getDBKey, getDBState, getDBText, getDBType, getDefaultTeaser, getDefaultUrl, getDescendants, getDescription, getDescription, getDescriptions, getEditFields, getField, getFieldNames, getFields, getFields, getFunctionParameters, getGUIIndicator, getGUIIndicator, getHardNode, getHardNode, getHTML, getInitParameter, getInitParameters, getList, getLocaleGUIIndicator, getLocaleGUIIndicator, getMachineName, getMaintainer, getMMBase, getNewNode, getNewTmpNode, getNextField, getNextField, getNode, getNode, getNode, getNode, getNodes, getNodes, getNodeType, getNumberFromName, getObjectType, getObjectValue, getParameterDefinition, getParentBuilder, getPluralName, getPluralName, getPluralNames, getQuery, getQuery, getQuery, getRawNodes, getRelations_main, getSearchAge, getShort, getShortedByte, getShortedText, getSingularName, getSingularName, getSingularNames, getSmartPath, getSortedFields, getSortedListFields, getTmpNode, getURLEncode, getValue, getVersion, getWAP, getXMLPath, hashCode, hostname_function, insert, insert, insertDone, isExtensionOf, isNodeCached, isVirtual, nodeLocalChanged, nodeRemoteChanged, preCommit, preEdit, process, processSearchResults, putTmpNode, readSearchResults, removeField, removeNode, removeRelations, removeSyncNodes, removeTmpNode, replace, safeCache, safeCommit, safeInsert, search, search, search, searchIn, searchIn, searchIn, searchList, searchList, searchNumbers, searchVector, searchVector, searchVector, searchVector, searchVectorIn, searchVectorIn, searchVectorIn, searchVectorIn, searchWithWhere, sendFieldChangeSignal, setDBLayout_xml, setDefaults, setDescription, setDescriptions, setInitParameter, setMaintainer, setMMBase, setParentBuilder, setPluralNames, setSearchAge, setSingularNames, setTableName, setUniqueValue, setUniqueValue, setValue, setValue, setVersion, setXMLPath, setXMLValues, signalNewObject, testValidData, toString, toString, toXML, updateFields, waitUntilNodeChanged, wrap

Methods inherited from class org.mmbase.module.core.MMTable

created, getFullTableName, getTableName, size

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

STATE_ON

public static final int STATE_ON

See Also:

Constant Field Values

STATE_OFF

public static final int STATE_OFF

See Also:

Constant Field Values

Constructor Detail

MediaProviders

public MediaProviders()

Method Detail

init

public boolean init()

Description copied from class: MMObjectBuilder

Initializes this builder The property 'mmb' needs to be set for the builder before this method can be called. The method retrieves data from the TypeDef builder, or adds data to that builder if the current builder is not yet registered.

Overrides:

init in class MMObjectBuilder

Returns:

true if init was completed, false if uncompleted.

See Also:

MMObjectBuilder.create()

getURLs

protected java.util.List getURLs(MMObjectNode provider,
                                 MMObjectNode source,
                                 MMObjectNode fragment,
                                 java.util.Map info,
                                 java.util.List urls,
                                 java.util.Set cacheExpireObjects)

A MediaProvider can provide one or more URL's for every source

Returns:

A List of URLComposer's

executeFunction

protected java.lang.Object executeFunction(MMObjectNode node,
                                           java.lang.String function,
                                           java.util.List args)

Description copied from class: MMObjectBuilder

Executes a function on the field of a node, and returns the result. This method is called by the builder's MMObjectBuilder.getValue(org.mmbase.module.core.MMObjectNode, java.lang.String) method. Derived builders should override this method to provide additional functions.

Overrides:

executeFunction in class MMObjectBuilder

See Also:

MMObjectBuilder.executeFunction(org.mmbase.module.core.MMObjectNode, java.lang.String, java.util.List)