java.lang.Object
- org.opencms.main.CmsSystemInfo

```
public class CmsSystemInfo
extends java.lang.Object
```
Provides access to system wide "read only" information about the running OpenCms instance.
Contains information about:
- version and build number
- server name
- mail settings
- configuration paths
- default character encoding
- ...and more.
Since:

6.0.0

Nested Class Summary

Nested Classes
Modifier and Type Class Description

class CmsSystemInfo.BuildInfoItem
Wrapper class used to access build information.

Field Summary

Fields
Modifier and Type	Field	Description
`static java.lang.String`	`CONFIG_FOLDER_PROPERTY`	Name of the config folder property provides as Java VM parameter -Dopencms.config=.
`static java.lang.String`	`FILE_PERSISTENCE`	Relative path to persistence.xml file.
`static java.lang.String`	`FILE_PROPERTIES`	The name of the opencms.properties file.
`static java.lang.String`	`FILE_TLD`	The name of the opencms.tld file.
`static java.lang.String`	`FOLDER_CONFIG_DEFAULT`	Path to the default "config" folder relative to the "WEB-INF" directory of the application.
`static java.lang.String`	`FOLDER_MODULES`	The name of the module folder in the package path.
`static java.lang.String`	`FOLDER_PACKAGES`	Path to the "packages" folder relative to the "WEB-INF" directory of the application.
`static java.lang.String`	`FOLDER_WEBINF`	Path to the "WEB-INF" folder relative to the directory of the application.
`static java.lang.String`	`VFS_CONFIG_FOLDER`	The VFS config files folder.
`static java.lang.String`	`VFS_CONFIG_OVERRIDE_FOLDER`	The folder to contain configuration file overrides.
`static java.lang.String`	`WORKPLACE_PATH`	The workplace UI servlet name.

Constructor Summary

Constructors
Constructor Description

CmsSystemInfo()
Creates a new system info container.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`getAbsoluteRfsPathRelativeToWebApplication(java.lang.String path)`	Returns an absolute path (to a directory or a file in the "real" file system) from a path relative to the web application folder of OpenCms.
`java.lang.String`	`getAbsoluteRfsPathRelativeToWebInf(java.lang.String path)`	Returns an absolute path (to a directory or a file in the "real" file system) from a path relative to the "WEB-INF" folder of the OpenCms web application.
`java.util.Map<java.lang.String,CmsSystemInfo.BuildInfoItem>`	`getBuildInfo()`	Returns the map of additional build information that was contained in the version.properties file.
`java.lang.String`	`getConfigFilePath(CmsObject cms, java.lang.String configFile)`	Returns the path to a configuration file.
`java.lang.String`	`getConfigFolder()`	Gets the path of the opencms config folder.
`java.lang.String`	`getConfigurationFileRfsPath()`	Returns the absolute path to the "opencms.properties" configuration file (in the "real" file system).
`java.lang.String`	`getContextPath()`	Returns the web application context path, e.g.
`java.lang.String`	`getDefaultEncoding()`	Return the OpenCms default character encoding.
`java.lang.String`	`getDefaultWebApplicationName()`	Returns the default web application name (usually "ROOT").
`I_CmsJspDeviceSelector`	`getDeviceSelector()`	Gets the device selector.
`int`	`getHistoryVersions()`	Returns the maximum number of versions that are kept per file in the VFS version history.
`int`	`getHistoryVersionsAfterDeletion()`	Returns the number of versions in the VFS version history that should be kept after a resource is deleted.
`CmsHttpAuthenticationSettings`	`getHttpAuthenticationSettings()`	Returns the HTTP authentication settings.
`java.lang.String`	`getLogFileRfsFolder()`	Returns the absolute path to the folder of the main OpenCms log file (in the "real" file system).
`java.lang.String`	`getLogFileRfsPath()`	Returns the filename of the log file (in the "real" file system).
`CmsMailSettings`	`getMailSettings()`	Returns the settings for the internal OpenCms email service.
`java.lang.String`	`getNotificationProject()`	Returns the project in which time stamps for the content notification are read.
`int`	`getNotificationTime()`	Returns the duration after which responsible resource owners will be notified about out-dated content (in days).
`java.lang.String`	`getOpenCmsContext()`	Returns the OpenCms request context, e.g.
`java.lang.String`	`getPackagesRfsPath()`	Returns the absolute path to the "packages" folder (in the "real" file system).
`java.lang.String`	`getPersistenceFileRfsPath()`	Returns the absolute path to the "persistence.xml" file (in the "real" file system).
`long`	`getRuntime()`	Returns the time this OpenCms instance is running in milliseconds.
`java.lang.String`	`getServerName()`	Returns the OpenCms server name, e.g.
`CmsServletContainerSettings`	`getServletContainerSettings()`	Returns the servlet container specific settings.
`java.lang.String`	`getServletPath()`	Returns the OpenCms servlet path, e.g.
`long`	`getStartupTime()`	Returns the time this OpenCms instance was started in milliseconds.
`java.lang.String`	`getStaticResourceContext()`	Returns the context for static resources served from the class path, e.g.
`java.lang.String`	`getVersion()`	Returns the identifier "OpenCms/" plus the OpenCms version number.
`java.lang.String`	`getVersionId()`	Returns the version ID of this OpenCms system.
`java.lang.String`	`getVersionNumber()`	Returns the version number of this OpenCms system, for example `9.5.0`.
`java.lang.String`	`getWebApplicationName()`	Returns the OpenCms web application name, e.g.
`java.lang.String`	`getWebApplicationRfsPath()`	Returns the OpenCms web application folder in the servlet container.
`java.lang.String`	`getWebInfRfsPath()`	Returns the OpenCms web application "WEB-INF" directory path.
`java.lang.String`	`getWorkplaceContext()`	Returns the OpenCms workplace request context, e.g.
`protected void`	`init(CmsServletContainerSettings settings)`	Sets the OpenCms web application "WEB-INF" directory path (in the "real" file system).
`boolean`	`isHistoryEnabled()`	Returns if the VFS version history is enabled.
`boolean`	`isRestrictDetailContents()`	Return true if detail contents are restricted to detail pages from the same site.
`protected void`	`setDefaultEncoding(java.lang.String encoding)`	Sets the default encoding, called after the configuration files have been read.
`protected void`	`setDeviceSelector(I_CmsJspDeviceSelector selector)`	Sets the device selector.
`protected void`	`setHttpAuthenticationSettings(CmsHttpAuthenticationSettings httpAuthenticationSettings)`	Sets the HTTP authentication settings.
`protected void`	`setMailSettings(CmsMailSettings mailSettings)`	Sets the settings for the internal OpenCms email service.
`void`	`setNotificationProject(java.lang.String notificationProject)`	Sets the project in which time stamps for the content notification are read.
`void`	`setNotificationTime(int notificationTime)`	Sets the duration after which responsible resource owners will be notified about out-dated content (in days).
`protected void`	`setRestrictDetailContents(boolean restrictDetailContents)`	Sets the value of the 'restrict detail contents' option.
`protected void`	`setServerName(java.lang.String serverName)`	Sets the server name.
`void`	`setVersionHistorySettings(boolean historyEnabled, int historyVersions, int historyVersionsAfterDeletion)`	VFS version history settings are set here.

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

- Field Detail
  - CONFIG_FOLDER_PROPERTY
```
public static final java.lang.String CONFIG_FOLDER_PROPERTY
```
    Name of the config folder property provides as Java VM parameter -Dopencms.config=.
    
    See Also:
    
    Constant Field Values
  - FILE_PERSISTENCE
```
public static final java.lang.String FILE_PERSISTENCE
```
    Relative path to persistence.xml file.
  - FILE_PROPERTIES
```
public static final java.lang.String FILE_PROPERTIES
```
    The name of the opencms.properties file.
    
    See Also:
    
    Constant Field Values
  - FILE_TLD
```
public static final java.lang.String FILE_TLD
```
    The name of the opencms.tld file.
    
    See Also:
    
    Constant Field Values
  - FOLDER_CONFIG_DEFAULT
```
public static final java.lang.String FOLDER_CONFIG_DEFAULT
```
    Path to the default "config" folder relative to the "WEB-INF" directory of the application.
  - FOLDER_MODULES
```
public static final java.lang.String FOLDER_MODULES
```
    The name of the module folder in the package path.
  - FOLDER_PACKAGES
```
public static final java.lang.String FOLDER_PACKAGES
```
    Path to the "packages" folder relative to the "WEB-INF" directory of the application.
  - FOLDER_WEBINF
```
public static final java.lang.String FOLDER_WEBINF
```
    Path to the "WEB-INF" folder relative to the directory of the application.
  - WORKPLACE_PATH
```
public static final java.lang.String WORKPLACE_PATH
```
    The workplace UI servlet name.
    
    See Also:
    
    Constant Field Values
  - VFS_CONFIG_FOLDER
```
public static final java.lang.String VFS_CONFIG_FOLDER
```
    The VFS config files folder.
    
    See Also:
    
    Constant Field Values
  - VFS_CONFIG_OVERRIDE_FOLDER
```
public static final java.lang.String VFS_CONFIG_OVERRIDE_FOLDER
```
    The folder to contain configuration file overrides.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - CmsSystemInfo
```
public CmsSystemInfo()
```
    Creates a new system info container.
- Method Detail
  - getAbsoluteRfsPathRelativeToWebApplication
```
public java.lang.String getAbsoluteRfsPathRelativeToWebApplication(java.lang.String path)
```
    Returns an absolute path (to a directory or a file in the "real" file system) from a path relative to the web application folder of OpenCms.
    If the provided path is already absolute, then it is returned unchanged. If the provided path is a folder, the result will always end with a folder separator.
    
    Parameters:
    
    path - the path (relative) to generate an absolute path from
    
    Returns:
    
    an absolute path (to a directory or a file) from a path relative to the web application folder of OpenCms
  - getAbsoluteRfsPathRelativeToWebInf
```
public java.lang.String getAbsoluteRfsPathRelativeToWebInf(java.lang.String path)
```
    Returns an absolute path (to a directory or a file in the "real" file system) from a path relative to the "WEB-INF" folder of the OpenCms web application.
    If the provided path is already absolute, then it is returned unchanged.
    
    Parameters:
    
    path - the path (relative) to generate an absolute path from
    
    Returns:
    
    an absolute path (to a directory or a file) from a path relative to the "WEB-INF" folder
  - getBuildInfo
```
public java.util.Map<java.lang.String,CmsSystemInfo.BuildInfoItem> getBuildInfo()
```
    Returns the map of additional build information that was contained in the version.properties file.
    The values are String arrays of length 2. First in this array is the actual value, and second the "nice name" for the value that can be used to display the value somewhere. In case no nice name was provided, the second value will repeat the key name.
    
    Returns:
    
    the map of additional build information that was contained in the version.properties file
    
    Since:
    
    9.5.0
  - getConfigFilePath
```
public java.lang.String getConfigFilePath(CmsObject cms,
                                          java.lang.String configFile)
```
    Returns the path to a configuration file.
    This will either be a file below /system/config/ or in case an override file exists below /system/config/overrides/.
    
    Parameters:
    
    cms - the cms ontext
    
    configFile - the config file path within /system/config/
    
    Returns:
    
    the file path
  - getConfigFolder
```
public java.lang.String getConfigFolder()
```
    Gets the path of the opencms config folder.
    Per default this is the "/WEB-INF/config/ folder. If configured with the "-Dopencms.config=..." java startup parameter, OpenCms can access an external config folder outside its webapplication.
    
    Returns:
    
    complete rfs path to the config folder.
  - getConfigurationFileRfsPath
```
public java.lang.String getConfigurationFileRfsPath()
```
    Returns the absolute path to the "opencms.properties" configuration file (in the "real" file system).
    
    Returns:
    
    the absolute path to the "opencms.properties" configuration file
  - getContextPath
```
public java.lang.String getContextPath()
```
    Returns the web application context path, e.g. "" (empty String) if the web application is the default web application (usually "ROOT"), or "/opencms" if the web application is called "opencms".
    From the Java Servlet Specification v2.4:
    Context Path: The path prefix associated with the ServletContext that this servlet is a part of. If this context is the "default" context rooted at the base of the web server's URL name space, this path will be an empty string. Otherwise, if the context is not rooted at the root of the server's name space, the path starts with a "/" character but does not end with a "/" character.
    
    Returns:
    
    the web application context path
    
    See Also:
    
    getWebApplicationName(), getServletPath(), getOpenCmsContext()
  - getDefaultEncoding
```
public java.lang.String getDefaultEncoding()
```
    Return the OpenCms default character encoding.
    The default is set in the opencms-system.xml file. If this is not set in opencms-system.xml the default is "UTF-8".
    
    Returns:
    
    the default encoding, e.g. "UTF-8" or "ISO-8859-1"
  - getDefaultWebApplicationName
```
public java.lang.String getDefaultWebApplicationName()
```
    Returns the default web application name (usually "ROOT").
    
    Returns:
    
    the default web application name
  - getDeviceSelector
```
public I_CmsJspDeviceSelector getDeviceSelector()
```
    Gets the device selector.
    
    Returns:
    
    the device selector
  - getHistoryVersions
```
public int getHistoryVersions()
```
    Returns the maximum number of versions that are kept per file in the VFS version history.
    If the version history is disabled, this setting has no effect.
    
    Returns:
    
    the maximum number of versions that are kept per file
    
    See Also:
    
    isHistoryEnabled()
  - getHistoryVersionsAfterDeletion
```
public int getHistoryVersionsAfterDeletion()
```
    Returns the number of versions in the VFS version history that should be kept after a resource is deleted.
    For resources in folders where the history.removedeleted property is set to "true", this setting is ignored.
    
    Returns:
    
    the number versions in the VFS version history for deleted resources
  - getHttpAuthenticationSettings
```
public CmsHttpAuthenticationSettings getHttpAuthenticationSettings()
```
    Returns the HTTP authentication settings.
    
    Returns:
    
    the HTTP authentication settings
  - getLogFileRfsPath
```
public java.lang.String getLogFileRfsPath()
```
    Returns the filename of the log file (in the "real" file system).
    If the method returns null, this means that the log file is not managed by OpenCms.
    
    Returns:
    
    the filename of the log file (in the "real" file system)
  - getLogFileRfsFolder
```
public java.lang.String getLogFileRfsFolder()
```
    Returns the absolute path to the folder of the main OpenCms log file (in the "real" file system).
    If the method returns null, this means that the log file is not managed by OpenCms.
    
    Returns:
    
    the absolute path to the folder of the main OpenCms log file (in the "real" file system)
  - getMailSettings
```
public CmsMailSettings getMailSettings()
```
    Returns the settings for the internal OpenCms email service.
    
    Returns:
    
    the settings for the internal OpenCms email service
  - getNotificationProject
```
public java.lang.String getNotificationProject()
```
    Returns the project in which time stamps for the content notification are read.
    
    Returns:
    
    the project in which time stamps for the content notification are read
  - getNotificationTime
```
public int getNotificationTime()
```
    Returns the duration after which responsible resource owners will be notified about out-dated content (in days).
    
    Returns:
    
    the duration after which responsible resource owners will be notified about out-dated content
  - getOpenCmsContext
```
public java.lang.String getOpenCmsContext()
```
    Returns the OpenCms request context, e.g. "/opencms/opencms".
    The OpenCms context will always start with a "/" and never have a trailing "/". The OpenCms context is identical to getContexPath() + getServletPath().
    
    Returns:
    
    the OpenCms request context, e.g. "/opencms/opencms"
    
    See Also:
    
    getContextPath(), getServletPath()
  - getPackagesRfsPath
```
public java.lang.String getPackagesRfsPath()
```
    Returns the absolute path to the "packages" folder (in the "real" file system).
    
    Returns:
    
    the absolute path to the "packages" folder
  - getPersistenceFileRfsPath
```
public java.lang.String getPersistenceFileRfsPath()
```
    Returns the absolute path to the "persistence.xml" file (in the "real" file system).
    
    Returns:
    
    the absolute path to the "persistence.xml" configuration file
  - getRuntime
```
public long getRuntime()
```
    Returns the time this OpenCms instance is running in milliseconds.
    
    Returns:
    
    the time this OpenCms instance is running in milliseconds
  - getServerName
```
public java.lang.String getServerName()
```
    Returns the OpenCms server name, e.g. "OpenCmsServer".
    The server name is set in opencms.properties. It is not related to any DNS name the server might also have. The server name is useful e.g. in a cluster to distinguish different servers, or if you compare log files from multiple servers.
    
    Returns:
    
    the OpenCms server name
  - getServletContainerSettings
```
public CmsServletContainerSettings getServletContainerSettings()
```
    Returns the servlet container specific settings.
    
    Returns:
    
    the servlet container specific settings
  - getServletPath
```
public java.lang.String getServletPath()
```
    Returns the OpenCms servlet path, e.g. "/opencms".
    From the Java Servlet Specification v2.4:
    Servlet Path: The path section that directly corresponds to the mapping which activated this request. This path starts with a?/? character except in the case where the request is matched with the ?/*? pattern, in which case it is the empty string.
    
    Returns:
    
    the OpenCms servlet path
    
    See Also:
    
    getContextPath(), getWebApplicationName(), getOpenCmsContext()
  - getStartupTime
```
public long getStartupTime()
```
    Returns the time this OpenCms instance was started in milliseconds.
    
    Returns:
    
    the time this OpenCms instance was started in milliseconds
  - getStaticResourceContext
```
public java.lang.String getStaticResourceContext()
```
    Returns the context for static resources served from the class path, e.g. "/opencms/opencms/handleStatic".
    
    Returns:
    
    the static resource context
  - getVersion
```
public java.lang.String getVersion()
```
    Returns the identifier "OpenCms/" plus the OpenCms version number.
    This information is used for example to identify OpenCms in HTTP response headers.
    
    Returns:
    
    the identifier "OpenCms/" plus the OpenCms version number
  - getVersionId
```
public java.lang.String getVersionId()
```
    Returns the version ID of this OpenCms system.
    The version ID is usually set dynamically by the build system. It can be used to identify intermediate builds when the main version number has not changed.
    
    Returns:
    
    the version ID of this OpenCms system
    
    Since:
    
    9.5.0
  - getVersionNumber
```
public java.lang.String getVersionNumber()
```
    Returns the version number of this OpenCms system, for example 9.5.0.
    
    Returns:
    
    the version number of this OpenCms system
    
    Since:
    
    7.0.2
  - getWebApplicationName
```
public java.lang.String getWebApplicationName()
```
    Returns the OpenCms web application name, e.g. "opencms" or "ROOT" (no leading or trailing "/").
    The web application name is stored for informational purposes only. If you want to construct an URI, use either getContextPath() and getServletPath(), or for links to the OpenCms VFS use getOpenCmsContext().
    
    Returns:
    
    the OpenCms web application name
    
    See Also:
    
    getContextPath(), getServletPath(), getOpenCmsContext()
  - getWebApplicationRfsPath
```
public java.lang.String getWebApplicationRfsPath()
```
    Returns the OpenCms web application folder in the servlet container.
    
    Returns:
    
    the OpenCms web application folder in the servlet container
  - getWebInfRfsPath
```
public java.lang.String getWebInfRfsPath()
```
    Returns the OpenCms web application "WEB-INF" directory path.
    
    Returns:
    
    the OpenCms web application "WEB-INF" directory path
  - getWorkplaceContext
```
public java.lang.String getWorkplaceContext()
```
    Returns the OpenCms workplace request context, e.g. "/opencms/workplace".
    The OpenCms workplace context will always start with a "/" and never have a trailing "/". The OpenCms context is identical to getContexPath() + WORKPLACE_PATH.
    
    Returns:
    
    the OpenCms request context, e.g. "/opencms/workplace"
    
    See Also:
    
    getContextPath(), WORKPLACE_PATH
  - isHistoryEnabled
```
public boolean isHistoryEnabled()
```
    Returns if the VFS version history is enabled.
    
    Returns:
    
    if the VFS version history is enabled
  - isRestrictDetailContents
```
public boolean isRestrictDetailContents()
```
    Return true if detail contents are restricted to detail pages from the same site.
    
    Returns:
    
    true if detail contents are restricted to detail pages from the same site
  - setNotificationProject
```
public void setNotificationProject(java.lang.String notificationProject)
```
    Sets the project in which time stamps for the content notification are read.
    
    Parameters:
    
    notificationProject - the project in which time stamps for the content notification are read
  - setNotificationTime
```
public void setNotificationTime(int notificationTime)
```
    Sets the duration after which responsible resource owners will be notified about out-dated content (in days).
    
    Parameters:
    
    notificationTime - the duration after which responsible resource owners will be notified about out-dated content
  - setVersionHistorySettings
```
public void setVersionHistorySettings(boolean historyEnabled,
                                      int historyVersions,
                                      int historyVersionsAfterDeletion)
```
    VFS version history settings are set here.
    
    Parameters:
    
    historyEnabled - if true the history is enabled
    
    historyVersions - the maximum number of versions that are kept per VFS resource
    
    historyVersionsAfterDeletion - the maximum number of versions that are kept for deleted resources
  - init
```
protected void init(CmsServletContainerSettings settings)
```
    Sets the OpenCms web application "WEB-INF" directory path (in the "real" file system).
    
    Parameters:
    
    settings - container specific information needed for this system info
  - setDefaultEncoding
```
protected void setDefaultEncoding(java.lang.String encoding)
```
    Sets the default encoding, called after the configuration files have been read.
    
    Parameters:
    
    encoding - the default encoding to set
  - setDeviceSelector
```
protected void setDeviceSelector(I_CmsJspDeviceSelector selector)
```
    Sets the device selector.
    
    Parameters:
    
    selector - the device selector to set
  - setHttpAuthenticationSettings
```
protected void setHttpAuthenticationSettings(CmsHttpAuthenticationSettings httpAuthenticationSettings)
```
    Sets the HTTP authentication settings.
    
    Parameters:
    
    httpAuthenticationSettings - the HTTP authentication settings to set
  - setMailSettings
```
protected void setMailSettings(CmsMailSettings mailSettings)
```
    Sets the settings for the internal OpenCms email service.
    
    Parameters:
    
    mailSettings - the settings for the internal OpenCms email service to set
  - setRestrictDetailContents
```
protected void setRestrictDetailContents(boolean restrictDetailContents)
```
    Sets the value of the 'restrict detail contents' option.
    
    Parameters:
    
    restrictDetailContents - the new value for the option
  - setServerName
```
protected void setServerName(java.lang.String serverName)
```
    Sets the server name.
    The server name is set in opencms.properties. It is not related to any DNS name the server might also have. The server name is useful e.g. in a cluster to distinguish different servers, or if you compare log files from multiple servers.
    
    Parameters:
    
    serverName - the server name to set

Class CmsSystemInfo

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

CONFIG_FOLDER_PROPERTY

FILE_PERSISTENCE

FILE_PROPERTIES

FILE_TLD

FOLDER_CONFIG_DEFAULT

FOLDER_MODULES

FOLDER_PACKAGES

FOLDER_WEBINF

WORKPLACE_PATH

VFS_CONFIG_FOLDER

VFS_CONFIG_OVERRIDE_FOLDER

Constructor Detail

CmsSystemInfo

Method Detail

getAbsoluteRfsPathRelativeToWebApplication

getAbsoluteRfsPathRelativeToWebInf

getBuildInfo

getConfigFilePath

getConfigFolder

getConfigurationFileRfsPath

getContextPath

getDefaultEncoding

getDefaultWebApplicationName

getDeviceSelector

getHistoryVersions

getHistoryVersionsAfterDeletion

getHttpAuthenticationSettings

getLogFileRfsPath

getLogFileRfsFolder

getMailSettings

getNotificationProject

getNotificationTime

getOpenCmsContext

getPackagesRfsPath

getPersistenceFileRfsPath

getRuntime

getServerName

getServletContainerSettings

getServletPath

getStartupTime

getStaticResourceContext

getVersion

getVersionId

getVersionNumber

getWebApplicationName

getWebApplicationRfsPath

getWebInfRfsPath

getWorkplaceContext

isHistoryEnabled

isRestrictDetailContents

setNotificationProject

setNotificationTime

setVersionHistorySettings

init

setDefaultEncoding

setDeviceSelector

setHttpAuthenticationSettings

setMailSettings

setRestrictDetailContents

setServerName