Package org.apache.catalina.core

Class StandardHost

java.lang.Object
org.apache.catalina.util.LifecycleBase
org.apache.catalina.util.LifecycleMBeanBase
org.apache.catalina.core.ContainerBase
org.apache.catalina.core.StandardHost
All Implemented Interfaces:
MBeanRegistration, Container, Host, JmxEnabled, Lifecycle
public class StandardHost extends ContainerBase implements Host
Standard implementation of the Host interface. Each child container must be a Context implementation to process the requests directed to a particular web application.
Author:
Craig R. McClanahan, Remy Maucherat

  • Constructor Details

    • StandardHost

      public StandardHost()
      Create a new StandardHost component with the default basic Valve.

  • Method Details

    • getUndeployOldVersions

      public boolean getUndeployOldVersions()
      Specified by:
      getUndeployOldVersions in interface Host
      Returns:
      true of the Host is configured to automatically undeploy old versions of applications deployed using parallel deployment. This only takes effect is Host.getAutoDeploy() also returns true.

    • setUndeployOldVersions

      public void setUndeployOldVersions(boolean undeployOldVersions)
      Description copied from interface: Host
      Set to true if the Host should automatically undeploy old versions of applications deployed using parallel deployment. This only takes effect if Host.getAutoDeploy() returns true.
      Specified by:
      setUndeployOldVersions in interface Host
      Parameters:
      undeployOldVersions - The new value for this flag

    • getStartStopExecutor

      public ExecutorService getStartStopExecutor()
      Specified by:
      getStartStopExecutor in interface Host
      Returns:
      the executor that is used for starting and stopping contexts. This is primarily for use by components deploying contexts that want to do this in a multi-threaded manner.

    • getAppBase

      public String getAppBase()
      Specified by:
      getAppBase in interface Host
      Returns:
      the application root for this Host. This can be an absolute pathname, a relative pathname, or a URL.

    • getAppBaseFile

      public File getAppBaseFile()
      Specified by:
      getAppBaseFile in interface Host
      Returns:
      an absolute File for the appBase of this Host. The file will be canonical if possible. There is no guarantee that that the appBase exists.

    • setAppBase

      public void setAppBase(String appBase)
      Description copied from interface: Host
      Set the application root for this Host. This can be an absolute pathname, a relative pathname, or a URL.
      Specified by:
      setAppBase in interface Host
      Parameters:
      appBase - The new application root

    • getXmlBase

      public String getXmlBase()
      Specified by:
      getXmlBase in interface Host
      Returns:
      the XML root for this Host. This can be an absolute pathname or a relative pathname. If null, the base path defaults to ${catalina.base}/conf/<engine name>/<host name> directory

    • setXmlBase

      public void setXmlBase(String xmlBase)
      Description copied from interface: Host
      Set the Xml root for this Host. This can be an absolute pathname or a relative pathname. If null, the base path defaults to ${catalina.base}/conf/<engine name>/<host name> directory
      Specified by:
      setXmlBase in interface Host
      Parameters:
      xmlBase - The new XML root

    • getConfigBaseFile

      public File getConfigBaseFile()
      Specified by:
      getConfigBaseFile in interface Host
      Returns:
      a default configuration path of this Host. The file will be canonical if possible.

    • getCreateDirs

      public boolean getCreateDirs()
      Returns true if the Host will attempt to create directories for appBase and xmlBase unless they already exist.

      The default value for this implementation is true.

      Specified by:
      getCreateDirs in interface Host
      Returns:
      true if the Host will attempt to create directories

    • setCreateDirs

      public void setCreateDirs(boolean createDirs)
      Description copied from interface: Host
      Should the Host attempt to create directories for xmlBase and appBase upon startup.
      Specified by:
      setCreateDirs in interface Host
      Parameters:
      createDirs - The new value for this flag

    • getAutoDeploy

      public boolean getAutoDeploy()

      The default value for this implementation is true.

      Specified by:
      getAutoDeploy in interface Host
      Returns:
      the value of the auto deploy flag. If true, it indicates that this host's child webapps should be discovered and automatically deployed dynamically.

    • setAutoDeploy

      public void setAutoDeploy(boolean autoDeploy)
      Description copied from interface: Host
      Set the auto deploy flag value for this host.
      Specified by:
      setAutoDeploy in interface Host
      Parameters:
      autoDeploy - The new auto deploy flag

    • getConfigClass

      public String getConfigClass()
      Specified by:
      getConfigClass in interface Host
      Returns:
      the Java class name of the context configuration class for new web applications.

    • setConfigClass

      public void setConfigClass(String configClass)
      Description copied from interface: Host
      Set the Java class name of the context configuration class for new web applications.
      Specified by:
      setConfigClass in interface Host
      Parameters:
      configClass - The new context configuration class

    • getContextClass

      public String getContextClass()
      Returns:
      the Java class name of the Context implementation class for new web applications.

    • setContextClass

      public void setContextClass(String contextClass)
      Set the Java class name of the Context implementation class for new web applications.
      Parameters:
      contextClass - The new context implementation class

    • getDeployOnStartup

      public boolean getDeployOnStartup()

      The default value for this implementation is true.

      Specified by:
      getDeployOnStartup in interface Host
      Returns:
      the value of the deploy on startup flag. If true, it indicates that this host's child webapps should be discovered and automatically deployed.

    • setDeployOnStartup

      public void setDeployOnStartup(boolean deployOnStartup)
      Description copied from interface: Host
      Set the deploy on startup flag value for this host.
      Specified by:
      setDeployOnStartup in interface Host
      Parameters:
      deployOnStartup - The new deploy on startup flag

    • isDeployXML

      public boolean isDeployXML()
      Returns:
      true if XML context descriptors should be deployed.

    • setDeployXML

      public void setDeployXML(boolean deployXML)
      Deploy XML Context config files flag mutator.
      Parameters:
      deployXML - true if context descriptors should be deployed

    • isCopyXML

      public boolean isCopyXML()
      Returns:
      the copy XML config file flag for this component.

    • setCopyXML

      public void setCopyXML(boolean copyXML)
      Set the copy XML config file flag for this component.
      Parameters:
      copyXML - The new copy XML flag

    • getErrorReportValveClass

      public String getErrorReportValveClass()
      Returns:
      the Java class name of the error report valve class for new web applications.

    • setErrorReportValveClass

      public void setErrorReportValveClass(String errorReportValveClass)
      Set the Java class name of the error report valve class for new web applications.
      Parameters:
      errorReportValveClass - The new error report valve class

    • getName

      public String getName()
      Description copied from interface: Container
      Return a name string (suitable for use by humans) that describes this Container. Within the set of child containers belonging to a particular parent, Container names must be unique.
      Specified by:
      getName in interface Container
      Overrides:
      getName in class ContainerBase
      Returns:
      The human readable name of this container.

    • setName

      public void setName(String name)
      Description copied from interface: Container
      Set a name string (suitable for use by humans) that describes this Container. Within the set of child containers belonging to a particular parent, Container names must be unique.
      Specified by:
      setName in interface Container
      Overrides:
      setName in class ContainerBase
      Parameters:
      name - New name of this container

    • isUnpackWARs

      public boolean isUnpackWARs()
      Returns:
      true if WARs should be unpacked on deployment.

    • setUnpackWARs

      public void setUnpackWARs(boolean unpackWARs)
      Unpack WARs flag mutator.
      Parameters:
      unpackWARs - true to unpack WARs on deployment

    • getWorkDir

      public String getWorkDir()
      Returns:
      host work directory base.

    • setWorkDir

      public void setWorkDir(String workDir)
      Set host work directory base.
      Parameters:
      workDir - the new base work folder for this host

    • getDeployIgnore

      public String getDeployIgnore()
      Specified by:
      getDeployIgnore in interface Host
      Returns:
      the regular expression that defines the files and directories in the host's appBase that will be ignored by the automatic deployment process.

    • getDeployIgnorePattern

      public Pattern getDeployIgnorePattern()
      Specified by:
      getDeployIgnorePattern in interface Host
      Returns:
      the compiled regular expression that defines the files and directories in the host's appBase that will be ignored by the automatic deployment process.

    • setDeployIgnore

      public void setDeployIgnore(String deployIgnore)
      Description copied from interface: Host
      Set the regular expression that defines the files and directories in the host's appBase that will be ignored by the automatic deployment process.
      Specified by:
      setDeployIgnore in interface Host
      Parameters:
      deployIgnore - A regular expression matching file names

    • isFailCtxIfServletStartFails

      public boolean isFailCtxIfServletStartFails()
      Returns:
      true if a webapp start should fail if a Servlet startup fails

    • setFailCtxIfServletStartFails

      public void setFailCtxIfServletStartFails(boolean failCtxIfServletStartFails)
      Change the behavior of Servlet startup errors on web application starts.
      Parameters:
      failCtxIfServletStartFails - false to ignore errors on Servlets which are stated when the web application starts

    • addAlias

      public void addAlias(String alias)
      Description copied from interface: Host
      Add an alias name that should be mapped to this same Host.
      Specified by:
      addAlias in interface Host
      Parameters:
      alias - The alias to be added

    • addChild

      public void addChild(Container child)
      Add a new child Container to those associated with this Container, if supported. Prior to adding this Container to the set of children, the child's setParent() method must be called, with this Container as an argument. This method may thrown an IllegalArgumentException if this Container chooses not to be attached to the specified Container, in which case it is not added

      The child must be an implementation of Context.

      Specified by:
      addChild in interface Container
      Overrides:
      addChild in class ContainerBase
      Parameters:
      child - New child Container to be added

    • findReloadedContextMemoryLeaks

      public String[] findReloadedContextMemoryLeaks()
      Attempt to identify the contexts that have a class loader memory leak. This is usually triggered on context reload. Note: This method attempts to force a full garbage collection. This should be used with extreme caution on a production system.
      Returns:
      a list of possibly leaking contexts

    • findAliases

      public String[] findAliases()
      Specified by:
      findAliases in interface Host
      Returns:
      the set of alias names for this Host. If none are defined, a zero length array is returned.

    • removeAlias

      public void removeAlias(String alias)
      Description copied from interface: Host
      Remove the specified alias name from the aliases for this Host.
      Specified by:
      removeAlias in interface Host
      Parameters:
      alias - Alias name to be removed

    • startInternal

      protected void startInternal() throws LifecycleException
      Description copied from class: ContainerBase
      Start this component and implement the requirements of LifecycleBase.startInternal().
      Overrides:
      startInternal in class ContainerBase
      Throws:
      LifecycleException - if this component detects a fatal error that prevents this component from being used

    • getValveNames

      public String[] getValveNames() throws Exception
      Returns:
      the MBean Names of the Valves associated with this Host
      Throws:
      Exception - if an MBean cannot be created or registered

    • getAliases

      public String[] getAliases()

    • getObjectNameKeyProperties

      protected String getObjectNameKeyProperties()
      Description copied from class: LifecycleMBeanBase
      Allow sub-classes to specify the key properties component of the ObjectName that will be used to register this component.
      Specified by:
      getObjectNameKeyProperties in class LifecycleMBeanBase
      Returns:
      The string representation of the key properties component of the desired ObjectName