org.opennms.netmgt.dao.support

Class RrdResourceAttributeUtils

java.lang.Object

org.opennms.netmgt.dao.support.RrdResourceAttributeUtils

public abstract class RrdResourceAttributeUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	DS_PROPERTIES_FILE File name to look for in a resource directory for datasource attributes.
static String	STRINGS_PROPERTIES_FILE_NAME File name to look for in a resource directory for string attributes.

Constructor Summary

Constructors

Constructor and Description
RrdResourceAttributeUtils()

Method Summary

Modifier and Type	Method and Description
protected static Set<OnmsAttribute>	getAttributesAtRelativePath(File rrdDirectory, String relativePath, String rrdFileSuffix) getAttributesAtRelativePath
protected static Properties	getDsProperties(File directory) getDsProperties
protected static Properties	getProperties(File file) getProperties
protected static File	getRrdFileForDs(File directory, String ds, String extension) getRrdFileForDs
protected static Properties	getStringProperties(File rrdDirectory, String relativePath) getStringProperties
protected static String	getStringProperty(File directory, String key) getStringProperty
protected static void	saveUpdatedProperties(File propertiesFile, Properties props) saveUpdatedProperties
protected static void	updateDsProperties(File resourceDir, Map<String,String> dsNamesToRrdNames) updateDsProperties
protected static void	updateStringProperty(File resourceDir, String attrVal, String attrName) updateStringProperty

Methods inherited from class java.lang.Object

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

Field Detail

DS_PROPERTIES_FILE

public static final String DS_PROPERTIES_FILE

File name to look for in a resource directory for datasource attributes.

See Also:

Constant Field Values

STRINGS_PROPERTIES_FILE_NAME

public static final String STRINGS_PROPERTIES_FILE_NAME

File name to look for in a resource directory for string attributes.

See Also:

Constant Field Values

Constructor Detail

RrdResourceAttributeUtils

public RrdResourceAttributeUtils()

Method Detail

getAttributesAtRelativePath

protected static Set<OnmsAttribute> getAttributesAtRelativePath(File rrdDirectory,
                                                                String relativePath,
                                                                String rrdFileSuffix)

getAttributesAtRelativePath

Parameters:

rrdDirectory - a File object.

relativePath - a String object.

Returns:

a Set object.

getDsProperties

protected static Properties getDsProperties(File directory)

getDsProperties

Parameters:

directory - a File object.

Returns:

a Properties object.

getRrdFileForDs

protected static File getRrdFileForDs(File directory,
                                      String ds,
                                      String extension)

getRrdFileForDs

Parameters:

directory - a File object.

ds - a String object.

Returns:

a File object.

getStringProperties

protected static Properties getStringProperties(File rrdDirectory,
                                                String relativePath)

getStringProperties

Parameters:

rrdDirectory - a File object.

relativePath - a String object.

Returns:

a Properties object.

getProperties

protected static Properties getProperties(File file)

getProperties

Parameters:

file - a File object.

Returns:

a Properties object.

saveUpdatedProperties

protected static void saveUpdatedProperties(File propertiesFile,
                                            Properties props)
                                     throws FileNotFoundException,
                                            IOException

saveUpdatedProperties

Parameters:

propertiesFile - a File object.

props - a Properties object.

Throws:

FileNotFoundException - if any.

IOException - if any.

updateDsProperties

protected static void updateDsProperties(File resourceDir,
                                         Map<String,String> dsNamesToRrdNames)

updateDsProperties

Parameters:

resourceDir - a File object.

dsNamesToRrdNames - a Map object.

updateStringProperty

protected static void updateStringProperty(File resourceDir,
                                           String attrVal,
                                           String attrName)
                                    throws FileNotFoundException,
                                           IOException

updateStringProperty

Parameters:

resourceDir - a File object.

attrVal - a String object.

attrName - a String object.

Throws:

FileNotFoundException - if any.

IOException - if any.

getStringProperty

protected static String getStringProperty(File directory,
                                          String key)

getStringProperty

Parameters:

directory - a File object.

key - a String object.

Returns:

a String object.