org.springframework.extensions.webscripts

Class ClassPathStore

java.lang.Object

org.springframework.extensions.webscripts.AbstractStore

org.springframework.extensions.webscripts.ClassPathStore

All Implemented Interfaces:

org.springframework.beans.factory.Aware, org.springframework.context.ApplicationContextAware, Store

public class ClassPathStore
extends AbstractStore
implements org.springframework.context.ApplicationContextAware, Store

ClassPath based Web Script Store

Author:

davidc, kevinr, muzquiano

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	ClassPathStore.ClassPathTemplateLoader Class Path Store implementation of a Template Loader Retrieves templates either from classes in the class path or classes inside of JAR files within the class path
protected class	ClassPathStore.ClassPathTemplateSource Template Source - loads from a Class Path Store

Field Summary

Fields

Modifier and Type	Field and Description
protected org.springframework.context.ApplicationContext	applicationContext
protected String	classPath
protected boolean	exists
protected boolean	mustExist
protected ClassPathStoreResourceResolver	resolver
protected String[]	storeDirs
protected static String	VFSFILE_URL_PREFIX
protected static String	VFSJAR_URL_SEPARATOR
protected static String	VFSWAR_CLASSES_URL_SEPARATOR
protected static String	VFSWAR_URL_SEPARATOR
protected static String	VFSZIP_URL_PREFIX

Fields inherited from class org.springframework.extensions.webscripts.AbstractStore

DESC_PATH_PATTERN

Constructor Summary

Constructors

Constructor and Description
ClassPathStore()

Method Summary

Modifier and Type	Method and Description
void	createDocument(String documentPath, String content) Creates a document.
static String	createPath(String path, String relativePath) Helper method for creating fully qualified paths
boolean	exists() Determines whether the store actually exists
protected static URL	extractJarFileURL(URL jarUrl) Extract the URL for the actual jar file from the given URL (which may point to a resource in a jar file or to a jar file itself).
String[]	getAllDocumentPaths() Gets the paths of all documents in this store
String	getBasePath() Gets the base path of the store
String[]	getDescriptionDocumentPaths() Gets the paths of all Web Script description documents in this store
InputStream	getDocument(String documentPath) Gets a document.
String[]	getDocumentPaths(String path, boolean includeSubPaths, String documentPattern) Gets the paths of given document pattern within given path/sub-paths in this store
String[]	getScriptDocumentPaths(WebScript script) Gets the paths of all implementation files for a given Web Script
ScriptLoader	getScriptLoader() Gets the script loader for this store
freemarker.cache.TemplateLoader	getTemplateLoader() Gets the template loader for this store
boolean	hasDocument(String documentPath) Determines if the document exists.
void	init() Initialise Store (called once)
protected static boolean	isJarURL(URL url) Determine whether the given URL points to a resource in a jar file, that is, has protocol "jar", "zip", "vfszip", "wsjar" or "code-source".
boolean	isReadOnly() Whether the store is in read-only mode
boolean	isSecure() Returns true if this store is considered secure - i.e.
long	lastModified(String documentPath) Gets the last modified timestamp for the document.
boolean	removeDocument(String documentPath) Removes an existing document.
void	setApplicationContext(org.springframework.context.ApplicationContext applicationContext)
void	setClassPath(String classPath) Sets the class path
void	setMustExist(boolean mustExist) Sets whether the class path must exist If it must exist, but it doesn't exist, an exception is thrown on initialisation of the store
String	toString()
void	updateDocument(String documentPath, String content) Updates an existing document.

Methods inherited from class org.springframework.extensions.webscripts.AbstractStore

createDocuments, getDocumentPaths, getPreviewContext, setPreviewContextProvider, setReadOnly

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.extensions.webscripts.Store

createDocuments, getDocumentPaths

Field Detail

VFSFILE_URL_PREFIX

protected static final String VFSFILE_URL_PREFIX

See Also:

Constant Field Values

VFSZIP_URL_PREFIX

protected static final String VFSZIP_URL_PREFIX

See Also:

Constant Field Values

VFSJAR_URL_SEPARATOR

protected static final String VFSJAR_URL_SEPARATOR

See Also:

Constant Field Values

VFSWAR_URL_SEPARATOR

protected static final String VFSWAR_URL_SEPARATOR

See Also:

Constant Field Values

VFSWAR_CLASSES_URL_SEPARATOR

protected static final String VFSWAR_CLASSES_URL_SEPARATOR

See Also:

Constant Field Values

resolver

protected ClassPathStoreResourceResolver resolver

storeDirs

protected String[] storeDirs

applicationContext

protected org.springframework.context.ApplicationContext applicationContext

classPath

protected String classPath

mustExist

protected boolean mustExist

exists

protected boolean exists

Constructor Detail

ClassPathStore

public ClassPathStore()

Method Detail

setMustExist

public void setMustExist(boolean mustExist)

Sets whether the class path must exist If it must exist, but it doesn't exist, an exception is thrown on initialisation of the store

Parameters:

mustExist - boolean

setClassPath

public void setClassPath(String classPath)

Sets the class path

Parameters:

classPath - classpath

setApplicationContext

public void setApplicationContext(org.springframework.context.ApplicationContext applicationContext)
                           throws org.springframework.beans.BeansException

Specified by:

setApplicationContext in interface org.springframework.context.ApplicationContextAware

Throws:

org.springframework.beans.BeansException

init

public void init()

Description copied from interface: Store

Initialise Store (called once)

Specified by:

init in interface Store

exists

public boolean exists()

Description copied from interface: Store

Determines whether the store actually exists

Specified by:

exists in interface Store

Returns:

true => it does exist

getBasePath

public String getBasePath()

Description copied from interface: Store

Gets the base path of the store

Specified by:

getBasePath in interface Store

Returns:

base path

isSecure

public boolean isSecure()

Description copied from interface: Store

Returns true if this store is considered secure - i.e. on the app-server classpath. Scripts in secure stores can be run under the identity of a declared user (via the runas attribute) rather than the authenticated user.

Specified by:

isSecure in interface Store

Returns:

true if this store is considered secure

isReadOnly

public boolean isReadOnly()

Description copied from class: AbstractStore

Whether the store is in read-only mode

Specified by:

isReadOnly in interface Store

Overrides:

isReadOnly in class AbstractStore

Returns:

boolean

getAllDocumentPaths

public String[] getAllDocumentPaths()

Description copied from interface: Store

Gets the paths of all documents in this store

Specified by:

getAllDocumentPaths in interface Store

Returns:

array of all document paths

getDocumentPaths

public String[] getDocumentPaths(String path,
                                 boolean includeSubPaths,
                                 String documentPattern)
                          throws IOException

Description copied from interface: Store

Gets the paths of given document pattern within given path/sub-paths in this store

Specified by:

getDocumentPaths in interface Store

Parameters:

path - start path

includeSubPaths - if true, include sub-paths

documentPattern - document name, allows wildcards, eg. *.ftl or my*.ftl

Returns:

array of document paths

Throws:

IOException

getDescriptionDocumentPaths

public String[] getDescriptionDocumentPaths()
                                     throws IOException

Description copied from interface: Store

Gets the paths of all Web Script description documents in this store

Specified by:

getDescriptionDocumentPaths in interface Store

Returns:

array of description document paths

Throws:

IOException

getScriptDocumentPaths

public String[] getScriptDocumentPaths(WebScript script)
                                throws IOException

Description copied from interface: Store

Gets the paths of all implementation files for a given Web Script

Specified by:

getScriptDocumentPaths in interface Store

Parameters:

script - web script

Returns:

array of implementation document paths

Throws:

IOException

lastModified

public long lastModified(String documentPath)
                  throws IOException

Description copied from interface: Store

Gets the last modified timestamp for the document.

Specified by:

lastModified in interface Store

Parameters:

documentPath - document path to an existing document

Returns:

last modified timestamp

Throws:

IOException - if the document does not exist in the store

hasDocument

public boolean hasDocument(String documentPath)

Description copied from interface: Store

Determines if the document exists.

Specified by:

hasDocument in interface Store

Parameters:

documentPath - document path

Returns:

true => exists, false => does not exist

getDocument

public InputStream getDocument(String documentPath)
                        throws IOException

Description copied from interface: Store

Gets a document. Note a raw InputStream to the content is returned and must be closed by the accessing method.

Specified by:

getDocument in interface Store

Parameters:

documentPath - document path

Returns:

input stream onto document

Throws:

IOException - if the document does not exist in the store

createDocument

public void createDocument(String documentPath,
                           String content)
                    throws IOException

Description copied from interface: Store

Creates a document.

Specified by:

createDocument in interface Store

Parameters:

documentPath - document path

content - content of the document to write

Throws:

IOException - if the document already exists or the create fails

updateDocument

public void updateDocument(String documentPath,
                           String content)
                    throws IOException

Description copied from interface: Store

Updates an existing document.

Specified by:

updateDocument in interface Store

Parameters:

documentPath - document path

content - content to update the document with

Throws:

IOException - if the document does not exist or the update fails

removeDocument

public boolean removeDocument(String documentPath)
                       throws IOException

Description copied from interface: Store

Removes an existing document.

Specified by:

removeDocument in interface Store

Parameters:

documentPath - document path

Returns:

whether the operation succeeded

Throws:

IOException - if the document does not exist or the remove fails

getTemplateLoader

public freemarker.cache.TemplateLoader getTemplateLoader()

Description copied from interface: Store

Gets the template loader for this store

Specified by:

getTemplateLoader in interface Store

Returns:

template loader

getScriptLoader

public ScriptLoader getScriptLoader()

Description copied from interface: Store

Gets the script loader for this store

Specified by:

getScriptLoader in interface Store

Returns:

script loader

createPath

public static String createPath(String path,
                                String relativePath)

Helper method for creating fully qualified paths

Parameters:

path - String

relativePath - String

Returns:

full qualified path

toString

public String toString()

Overrides:

toString in class Object

isJarURL

protected static boolean isJarURL(URL url)

Determine whether the given URL points to a resource in a jar file, that is, has protocol "jar", "zip", "vfszip", "wsjar" or "code-source".

"zip" and "wsjar" and "vfszip" are used by BEA WebLogic Server and IBM WebSphere and JBoss, respectively, but can be treated like jar files. The same applies to "code-source" URLs on Oracle OC4J, provided that the path contains a jar separator.

Parameters:

url - the URL to check

Returns:

whether the URL has been identified as a JAR URL

extractJarFileURL

protected static URL extractJarFileURL(URL jarUrl)
                                throws MalformedURLException

Extract the URL for the actual jar file from the given URL (which may point to a resource in a jar file or to a jar file itself).

Parameters:

jarUrl - the original URL

Returns:

the URL for the actual jar file

Throws:

MalformedURLException - if no valid jar file URL could be extracted