org.mapfish.print.servlet.fileloader

Interface ConfigFileLoaderPlugin

All Known Implementing Classes:

AbstractFileConfigFileLoader, ClasspathConfigFileLoader, ConfigFileLoaderManager, FileConfigFileLoader, ServletConfigFileLoader

public interface ConfigFileLoaderPlugin

Strategy for loading configuration files and files that are used in printing that are relative (or related) to the configuration file. For example, if a file is loaded from the file system as requested by a client, (IE the file path was obtained by the client) then there must be restrictions placed on which files the client may load (you can't allow him to load the full database or a passwords file for example). The simple way is to ensure the file is within the same or sub-directory of the config file directory.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getUriScheme() Returns the URI scheme that this loader supports.
boolean	isAccessible(java.net.URI fileURI) Check if the configuration File exists.
boolean	isAccessible(java.net.URI configFileUri, java.lang.String pathToSubResource) check if the file exists and can be accessed by the user/template/config/etc...
com.google.common.base.Optional<java.lang.Long>	lastModified(java.net.URI fileURI) return the last modified time of the file URI.
byte[]	loadFile(java.net.URI fileURI) Load the config data.
byte[]	loadFile(java.net.URI configFileUri, java.lang.String pathToSubResource) Load the file related to the configuration file.
com.google.common.base.Optional<java.io.File>	toFile(java.net.URI fileUri) Return the file object the uri refers to if it refers to a file.

Method Detail

toFile

com.google.common.base.Optional<java.io.File> toFile(java.net.URI fileUri)

Return the file object the uri refers to if it refers to a file. Otherwise Optional.absent().

Parameters:

fileUri - the uri to use to resolve to a file (or not).

getUriScheme

java.lang.String getUriScheme()

Returns the URI scheme that this loader supports.

lastModified

com.google.common.base.Optional<java.lang.Long> lastModified(java.net.URI fileURI)

return the last modified time of the file URI.

Parameters:

fileURI - the uri of the config file to load.

Returns:

return the last modified date of the file

isAccessible

boolean isAccessible(java.net.URI fileURI)

Check if the configuration File exists.

Parameters:

fileURI - the uri of the file to load.

loadFile

byte[] loadFile(java.net.URI fileURI)
                throws java.io.IOException

Load the config data.

Parameters:

fileURI - the uri of the config file to load.

Returns:

the file that make up the file.

Throws:

java.io.IOException

isAccessible

boolean isAccessible(java.net.URI configFileUri,
                   java.lang.String pathToSubResource)
                     throws java.io.IOException

check if the file exists and can be accessed by the user/template/config/etc...

Parameters:

configFileUri - the uri of the configuration file

pathToSubResource - a string representing a file that is accessible for use in printing templates within the configuration file. In the case of a file based URI the path could be a relative path (relative to the configuration file) or an absolute path, but it must be an allowed file (you can't allow access to any file on the file system).

Throws:

java.io.IOException

loadFile

byte[] loadFile(java.net.URI configFileUri,
              java.lang.String pathToSubResource)
                throws java.io.IOException

Load the file related to the configuration file.

Parameters:

configFileUri - the uri of the configuration file

pathToSubResource - a string representing a file that is accessible for use in printing templates within the configuration file. In the case of a file based URI the path could be a relative path (relative to the configuration file) or an absolute path, but it must be an allowed file (you can't allow access to any file on the file system).

Throws:

java.io.IOException