Mapper (Apache Tomcat 7.0.109 API Documentation)

java.lang.Object
- org.apache.tomcat.util.http.mapper.Mapper

```
public final class Mapper
extends Object
```
Mapper, which implements the servlet API mapping rules (which are derived from the HTTP rules).

Author:

Remy Maucherat

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`protected static class`	`Mapper.Context`
`protected static class`	`Mapper.ContextList`
`protected static class`	`Mapper.ContextVersion`
`protected static class`	`Mapper.Host`
`protected static class`	`Mapper.MapElement`
`protected static class`	`Mapper.Wrapper`

Constructor Summary

Constructors
Constructor and Description

Mapper()

Constructors
Constructor and Description
`Mapper()`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`addContextVersion(String hostName, Object host, String path, String version, Object context, String[] welcomeResources, Context resources)` Deprecated. Use `addContextVersion(String, Object, String, String, Object, String[], javax.naming.Context, Collection, boolean, boolean)`
`void`	`addContextVersion(String hostName, Object host, String path, String version, Object context, String[] welcomeResources, Context resources, Collection<WrapperMappingInfo> wrappers)` Deprecated. Use `addContextVersion(String, Object, String, String, Object, String[], javax.naming.Context, Collection, boolean, boolean)`
`void`	`addContextVersion(String hostName, Object host, String path, String version, Object context, String[] welcomeResources, Context resources, Collection<WrapperMappingInfo> wrappers, boolean mapperContextRootRedirectEnabled, boolean mapperDirectoryRedirectEnabled)` Add a new Context to an existing Host.
`void`	`addHost(String name, String[] aliases, Object host)` Add a new host to the mapper.
`void`	`addHostAlias(String name, String alias)` Add an alias to an existing host.
`void`	`addWelcomeFile(String hostName, String contextPath, String version, String welcomeFile)` Add a welcome file to the given context.
`protected void`	`addWrapper(Mapper.ContextVersion context, String path, Object wrapper, boolean jspWildCard, boolean resourceOnly)` Adds a wrapper to the given context.
`void`	`addWrapper(String path, Object wrapper, boolean jspWildCard, boolean resourceOnly)`
`void`	`addWrapper(String hostName, String contextPath, String version, String path, Object wrapper, boolean jspWildCard, boolean resourceOnly)`
`void`	`addWrappers(String hostName, String contextPath, String version, Collection<WrapperMappingInfo> wrappers)`
`void`	`clearWelcomeFiles(String hostName, String contextPath, String version)` Clear the welcome files for the given context.
`void`	`map(MessageBytes uri, MappingData mappingData)` Map the specified URI relative to the context, mutating the given mapping data.
`void`	`map(MessageBytes host, MessageBytes uri, String version, MappingData mappingData)` Map the specified host name and URI, mutating the given mapping data.
`void`	`pauseContextVersion(Object ctxt, String hostName, String contextPath, String version)` Mark a context as being reloaded.
`void`	`removeContextVersion(String hostName, String path, String version)` Remove a context from an existing host.
`void`	`removeHost(String name)` Remove a host from the mapper.
`void`	`removeHostAlias(String alias)` Remove a host alias
`void`	`removeWelcomeFile(String hostName, String contextPath, String version, String welcomeFile)` Remove a welcome file from the given context.
`protected void`	`removeWrapper(Mapper.ContextVersion context, String path)`
`void`	`removeWrapper(String path)` Remove a wrapper from the context associated with this wrapper.
`void`	`removeWrapper(String hostName, String contextPath, String version, String path)` Remove a wrapper from an existing context.
`void`	`setContext(String path, String[] welcomeResources, Context resources)` Set context, used for wrapper mapping (request dispatcher).
`void`	`setDefaultHostName(String defaultHostName)` Set default host.

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

Constructor Detail
- Mapper
```
public Mapper()
```

Method Detail

setDefaultHostName
```
public void setDefaultHostName(String defaultHostName)
```
Set default host.

Parameters:
defaultHostName - Default host name

addHost
```
public void addHost(String name,
           String[] aliases,
           Object host)
```
Add a new host to the mapper.

Parameters:
name - Virtual host name
aliases - Alias names for the virtual host
host - Host object

removeHost
```
public void removeHost(String name)
```
Remove a host from the mapper.

Parameters:
name - Virtual host name

addHostAlias
```
public void addHostAlias(String name,
                String alias)
```
Add an alias to an existing host.

Parameters:
name - The name of the host
alias - The alias to add

removeHostAlias
```
public void removeHostAlias(String alias)
```
Remove a host alias

Parameters:
alias - The alias to remove

setContext
```
public void setContext(String path,
              String[] welcomeResources,
              Context resources)
```
Set context, used for wrapper mapping (request dispatcher).

Parameters:
welcomeResources - Welcome files defined for this context
resources - Static resources of the context

addContextVersion

@Deprecated
public void addContextVersion(String hostName,
                                Object host,
                                String path,
                                String version,
                                Object context,
                                String[] welcomeResources,
                                Context resources)

Deprecated. Use addContextVersion(String, Object, String, String, Object, String[], javax.naming.Context, Collection, boolean, boolean)

Add a new Context to an existing Host.

Parameters:: hostName - Virtual host name this context belongs to; host - Host object; path - Context path; version - Context version; context - Context object; welcomeResources - Welcome files defined for this context; resources - Static resources of the context

addContextVersion

@Deprecated
public void addContextVersion(String hostName,
                                Object host,
                                String path,
                                String version,
                                Object context,
                                String[] welcomeResources,
                                Context resources,
                                Collection<WrapperMappingInfo> wrappers)

Deprecated. Use addContextVersion(String, Object, String, String, Object, String[], javax.naming.Context, Collection, boolean, boolean)

Add a new Context to an existing Host.

Parameters:: hostName - Virtual host name this context belongs to; host - Host object; path - Context path; version - Context version; context - Context object; welcomeResources - Welcome files defined for this context; resources - Static resources of the context; wrappers - Information on wrapper mappings

addContextVersion

public void addContextVersion(String hostName,
                     Object host,
                     String path,
                     String version,
                     Object context,
                     String[] welcomeResources,
                     Context resources,
                     Collection<WrapperMappingInfo> wrappers,
                     boolean mapperContextRootRedirectEnabled,
                     boolean mapperDirectoryRedirectEnabled)

Add a new Context to an existing Host.

Parameters:: hostName - Virtual host name this context belongs to; host - Host object; path - Context path; version - Context version; context - Context object; welcomeResources - Welcome files defined for this context; resources - Static resources of the context; wrappers - Information on wrapper mappings; mapperContextRootRedirectEnabled - Mapper does context root redirects; mapperDirectoryRedirectEnabled - Mapper does directory redirects

removeContextVersion

public void removeContextVersion(String hostName,
                        String path,
                        String version)

Remove a context from an existing host.

Parameters:: hostName - Virtual host name this context belongs to; path - Context path; version - Context version

pauseContextVersion
```
public void pauseContextVersion(Object ctxt,
                       String hostName,
                       String contextPath,
                       String version)
```
Mark a context as being reloaded. Reversion of this state is performed by calling addContextVersion(...) when context starts up.

Parameters:
ctxt - The actual context
hostName - Virtual host name this context belongs to
contextPath - Context path
version - Context version

addWrapper

public void addWrapper(String hostName,
              String contextPath,
              String version,
              String path,
              Object wrapper,
              boolean jspWildCard,
              boolean resourceOnly)

addWrapper

public void addWrapper(String path,
              Object wrapper,
              boolean jspWildCard,
              boolean resourceOnly)

addWrappers

public void addWrappers(String hostName,
               String contextPath,
               String version,
               Collection<WrapperMappingInfo> wrappers)

addWrapper
```
protected void addWrapper(Mapper.ContextVersion context,
              String path,
              Object wrapper,
              boolean jspWildCard,
              boolean resourceOnly)
```
Adds a wrapper to the given context.

Parameters:
context - The context to which to add the wrapper
path - Wrapper mapping
wrapper - The Wrapper object
jspWildCard - true if the wrapper corresponds to the JspServlet and the mapping path contains a wildcard; false otherwise
resourceOnly - true if this wrapper always expects a physical resource to be present (such as a JSP)

removeWrapper
```
public void removeWrapper(String path)
```
Remove a wrapper from the context associated with this wrapper.

Parameters:
path - Wrapper mapping

removeWrapper

public void removeWrapper(String hostName,
                 String contextPath,
                 String version,
                 String path)

Remove a wrapper from an existing context.

Parameters:: hostName - Virtual host name this wrapper belongs to; contextPath - Context path this wrapper belongs to; path - Wrapper mapping

removeWrapper

protected void removeWrapper(Mapper.ContextVersion context,
                 String path)

addWelcomeFile

public void addWelcomeFile(String hostName,
                  String contextPath,
                  String version,
                  String welcomeFile)

Add a welcome file to the given context.

Parameters:: hostName -; contextPath -; welcomeFile -

removeWelcomeFile

public void removeWelcomeFile(String hostName,
                     String contextPath,
                     String version,
                     String welcomeFile)

Remove a welcome file from the given context.

Parameters:: hostName -; contextPath -; welcomeFile -

clearWelcomeFiles

public void clearWelcomeFiles(String hostName,
                     String contextPath,
                     String version)

Clear the welcome files for the given context.

Parameters:: hostName -; contextPath -

map
```
public void map(MessageBytes host,
       MessageBytes uri,
       String version,
       MappingData mappingData)
         throws Exception
```
Map the specified host name and URI, mutating the given mapping data.

Parameters:
host - Virtual host name
uri - URI
mappingData - This structure will contain the result of the mapping operation

Throws:

Exception

map
```
public void map(MessageBytes uri,
       MappingData mappingData)
         throws Exception
```
Map the specified URI relative to the context, mutating the given mapping data.

Parameters:
uri - URI
mappingData - This structure will contain the result of the mapping operation

Throws:

Exception

Class Mapper

Nested Class Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Mapper

Method Detail

setDefaultHostName

addHost

removeHost

addHostAlias

removeHostAlias

setContext

addContextVersion

addContextVersion

addContextVersion

removeContextVersion

pauseContextVersion

addWrapper

addWrapper

addWrappers

addWrapper

removeWrapper

removeWrapper

removeWrapper

addWelcomeFile

removeWelcomeFile

clearWelcomeFiles

map

map