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## org.apache.cayenne.project
Class DataMapFile

    java.lang.Object
      org.apache.cayenne.project.ProjectFile
          org.apache.cayenne.project.DataMapFile

    public class DataMapFile

extends ProjectFile

DataMapFile is a ProjectFile abstraction of the DataMap file in a Cayenne project.

Field Summary
`static String` | `LOCATION_SUFFIX`
`protected DataMap` | `map`

Fields inherited from class org.apache.cayenne.project.ProjectFile
`location, projectObj, tempFile`

Constructor Summary
`DataMapFile()`
`DataMapFile(Project project, DataMap map)` Constructor for DataMapFile.

Method Summary
`boolean` | `canHandle(Object obj)` Returns true if this file wrapper can handle a specified object.
`String` | `getLocationSuffix()` Returns ".map.xml" that should be used as a file suffix for DataMaps.
`Object` | `getObject()` Returns DataMap associated with this project.
`String` | `getObjectName()` Returns a name of associated object, that is also used as a file name.
`void` | `save(PrintWriter out)` Saves an underlying object to the file.
`void` | `willSave()` Updates map location to match the name before save.

Methods inherited from class org.apache.cayenne.project.ProjectFile
`canHandleObject, checkWritePermissions, getLocation, getOldLocation, getProject, isRenamed, resolveFile, resolveOldFile, saveCommit, saveTemp, saveUndo, synchronizeLocation, tempFileForFile, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### LOCATION_SUFFIX

    public static final String LOCATION_SUFFIX

See Also:
  Constant Field Values

### map

    protected DataMap map

Constructor Detail

### DataMapFile

    public DataMapFile()

### DataMapFile

    public DataMapFile(Project project,
                       DataMap map)

  Constructor for DataMapFile.

Method Detail

### getObject

    public Object getObject()

  Returns DataMap associated with this project.

  Specified by:
    `getObject` in class `ProjectFile`

### getObjectName

    public String getObjectName()

  Description copied from class: `ProjectFile`
  Returns a name of associated object, that is also used as a file name.

  Specified by:
    `getObjectName` in class `ProjectFile`
  See Also:
    `ProjectFile.getObjectName()`

### save

    public void save(PrintWriter out)
              throws Exception

  Description copied from class: `ProjectFile`
  Saves an underlying object to the file. The procedure is dependent on the type of object and is implemented by concrete subclasses.

  Specified by:
    `save` in class `ProjectFile`
  Throws:
    `Exception`

### canHandle

    public boolean canHandle(Object obj)

  Description copied from class: `ProjectFile`
  Returns true if this file wrapper can handle a specified object.

  Specified by:
    `canHandle` in class `ProjectFile`
  See Also:
    `ProjectFile.canHandle(Object)`

### willSave

    public void willSave()

  Updates map location to match the name before save.

  Overrides:
    `willSave` in class `ProjectFile`

### getLocationSuffix

    public String getLocationSuffix()

  Returns ".map.xml" that should be used as a file suffix for DataMaps.

  Overrides:
    `getLocationSuffix` in class `ProjectFile`

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