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java.lang.Object net.dpml.transit.Transit
public final class Transit
The Transit class manages the establishment of a singleton transit instance. The implementation establishes an internal cache management system, a suite of protocol handlers, and a dynamic content handler service. During initialization Transit will load an XML configuration descibing the available remote hosts. The XML file will be resolved using the following strategy:
Field Summary | |
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static File |
DATA
The Transit personal data directory. |
static File |
HOME
The DPML home directory established via assesment of the the ${dpml.home} system property and the DPML_HOME environment variable. |
static File |
PREFS
The Transit personal preferences directory. |
static File |
SYSTEM
If a system property named "dpml.system" is defined then the value is assigned otherwise the implementation will look for an environment variable DPML_SYSTEM. |
static String |
VERSION
The Transit system version. |
Method Summary | |
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void |
addMonitor(Monitor monitor)
Add a monitor to Transit. |
File |
getCacheDirectory()
Return the current cache directory. |
Layout |
getCacheLayout()
Return the cache layout. |
ContentHandler |
getContentHandler(String type)
Return the content handler fo the supplied content type. |
static Transit |
getInstance()
Returns the singleton instance of the transit system. |
LinkManager |
getLinkManager()
Return the link manager. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final File HOME
public static final File SYSTEM
public static final File DATA
public static final File PREFS
public static final String VERSION
Method Detail |
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public static Transit getInstance() throws TransitError
TransitError
- if an error occurs during establishmentpublic File getCacheDirectory()
public LinkManager getLinkManager()
public Layout getCacheLayout()
public void addMonitor(Monitor monitor)
monitor
- the monitor to addpublic ContentHandler getContentHandler(String type)
type
- the content handler type
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