Package org.apache.ivy.util.url
Class URLHandlerDispatcher
- java.lang.Object
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- org.apache.ivy.util.url.URLHandlerDispatcher
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- All Implemented Interfaces:
TimeoutConstrainedURLHandler
,URLHandler
public class URLHandlerDispatcher extends java.lang.Object implements TimeoutConstrainedURLHandler
An implementation ofURLHandler
which uses an underlyingURLHandler
per protocol and a fallback defaultURLHandler
for dealing with downloads, uploads and general reachability checks
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.apache.ivy.util.url.URLHandler
URLHandler.URLInfo
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Field Summary
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Fields inherited from interface org.apache.ivy.util.url.URLHandler
REQUEST_METHOD_GET, REQUEST_METHOD_HEAD, UNAVAILABLE
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Constructor Summary
Constructors Constructor Description URLHandlerDispatcher()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
download(java.net.URL src, java.io.File dest, CopyProgressListener l)
void
download(java.net.URL src, java.io.File dest, CopyProgressListener listener, TimeoutConstraint timeoutConstraint)
Downloads the resource available atsrc
to the targetdest
long
getContentLength(java.net.URL url)
Please prefer getURLInfo when several infos are needed.long
getContentLength(java.net.URL url, int timeout)
long
getContentLength(java.net.URL url, TimeoutConstraint timeoutConstraint)
Returns the number of bytes of data that's available for the resource at the passedurl
.URLHandler
getDefault()
URLHandler
getHandler(java.lang.String protocol)
long
getLastModified(java.net.URL url)
Please prefer getURLInfo when several infos are needed.long
getLastModified(java.net.URL url, int timeout)
Please prefer getURLInfo when several infos are needed.long
getLastModified(java.net.URL url, TimeoutConstraint timeoutConstraint)
Returns the last modified timestamp of the resource accessible at the passedurl
.URLHandler.URLInfo
getURLInfo(java.net.URL url)
URLHandler.URLInfo
getURLInfo(java.net.URL url, int timeout)
URLHandler.URLInfo
getURLInfo(java.net.URL url, TimeoutConstraint timeoutConstraint)
Returns theURLHandler.URLInfo
extracted from the given url, orURLHandler.UNAVAILABLE
when the url is not reachable.boolean
isReachable(java.net.URL url)
Please prefer getURLInfo when several infos are needed.boolean
isReachable(java.net.URL url, int timeout)
Please prefer getURLInfo when several infos are needed.boolean
isReachable(java.net.URL url, TimeoutConstraint timeoutConstraint)
Returns true if the passedURL
is reachable.java.io.InputStream
openStream(java.net.URL url)
java.io.InputStream
openStream(java.net.URL url, TimeoutConstraint timeoutConstraint)
Opens and returns anInputStream
to the passedurl
.void
setDefault(URLHandler default1)
void
setDownloader(java.lang.String protocol, URLHandler downloader)
void
setRequestMethod(int requestMethod)
void
upload(java.io.File src, java.net.URL dest, CopyProgressListener l)
void
upload(java.io.File src, java.net.URL dest, CopyProgressListener listener, TimeoutConstraint timeoutConstraint)
Uploads thesrc
File
to the targetdest
URL
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Method Detail
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isReachable
public boolean isReachable(java.net.URL url)
Description copied from interface:URLHandler
Please prefer getURLInfo when several infos are needed.- Specified by:
isReachable
in interfaceURLHandler
- Parameters:
url
- the url to check- Returns:
- true if the target is reachable
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isReachable
public boolean isReachable(java.net.URL url, int timeout)
Description copied from interface:URLHandler
Please prefer getURLInfo when several infos are needed.- Specified by:
isReachable
in interfaceURLHandler
- Parameters:
url
- the url to checktimeout
- the timeout in milliseconds- Returns:
- true if the target is reachable
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isReachable
public boolean isReachable(java.net.URL url, TimeoutConstraint timeoutConstraint)
Description copied from interface:TimeoutConstrainedURLHandler
Returns true if the passedURL
is reachable. Else returns false. Uses the passedtimeoutConstraint
for determining the connectivity to the URL.Please use
TimeoutConstrainedURLHandler.getURLInfo(URL, TimeoutConstraint)
if more one information about theurl
is needed- Specified by:
isReachable
in interfaceTimeoutConstrainedURLHandler
- Parameters:
url
- The URL to accesstimeoutConstraint
- The connectivity timeout constraints. Can be null, in which case the timeouts are implementation specific- Returns:
- boolean
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getContentLength
public long getContentLength(java.net.URL url)
Description copied from interface:URLHandler
Please prefer getURLInfo when several infos are needed.- Specified by:
getContentLength
in interfaceURLHandler
- Parameters:
url
- the url to check- Returns:
- the length of the target if the given url is reachable, 0 otherwise. No error code in case of http urls.
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getContentLength
public long getContentLength(java.net.URL url, int timeout)
- Specified by:
getContentLength
in interfaceURLHandler
- Parameters:
url
- the url to checktimeout
- the maximum time before considering an url is not reachable a timeout of zero indicates no timeout- Returns:
- the length of the target if the given url is reachable, 0 otherwise. No error code in case of http urls.
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getContentLength
public long getContentLength(java.net.URL url, TimeoutConstraint timeoutConstraint)
Description copied from interface:TimeoutConstrainedURLHandler
Returns the number of bytes of data that's available for the resource at the passedurl
. Returns 0 if the passedurl
isn't reachable- Specified by:
getContentLength
in interfaceTimeoutConstrainedURLHandler
- Parameters:
url
- The URL to accesstimeoutConstraint
- The connectivity timeout constraints. Can be null, in which case the timeouts are implementation specific- Returns:
- long
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getLastModified
public long getLastModified(java.net.URL url)
Description copied from interface:URLHandler
Please prefer getURLInfo when several infos are needed.- Specified by:
getLastModified
in interfaceURLHandler
- Parameters:
url
- the url to check- Returns:
- last modified timestamp of the given url
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getLastModified
public long getLastModified(java.net.URL url, int timeout)
Description copied from interface:URLHandler
Please prefer getURLInfo when several infos are needed.- Specified by:
getLastModified
in interfaceURLHandler
- Parameters:
url
- the url to checktimeout
- the timeout in milliseconds- Returns:
- last modified timestamp of the given url
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getLastModified
public long getLastModified(java.net.URL url, TimeoutConstraint timeoutConstraint)
Description copied from interface:TimeoutConstrainedURLHandler
Returns the last modified timestamp of the resource accessible at the passedurl
.Please use
TimeoutConstrainedURLHandler.getURLInfo(URL, TimeoutConstraint)
if more one information about theurl
is needed- Specified by:
getLastModified
in interfaceTimeoutConstrainedURLHandler
- Parameters:
url
- The URL to accesstimeoutConstraint
- The connectivity timeout constraints. Can be null, in which case the timeouts are implementation specific- Returns:
- long
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getURLInfo
public URLHandler.URLInfo getURLInfo(java.net.URL url)
- Specified by:
getURLInfo
in interfaceURLHandler
- Parameters:
url
- The url from which information is retrieved.- Returns:
- The URLInfo extracted from the given url, or
URLHandler.UNAVAILABLE
instance when the url is not reachable.
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getURLInfo
public URLHandler.URLInfo getURLInfo(java.net.URL url, int timeout)
- Specified by:
getURLInfo
in interfaceURLHandler
- Parameters:
url
- The url from which information is retrieved.timeout
- The timeout in milliseconds.- Returns:
- The URLInfo extracted from the given url, or
URLHandler.UNAVAILABLE
when the url is not reachable, never null.
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getURLInfo
public URLHandler.URLInfo getURLInfo(java.net.URL url, TimeoutConstraint timeoutConstraint)
Description copied from interface:TimeoutConstrainedURLHandler
Returns theURLHandler.URLInfo
extracted from the given url, orURLHandler.UNAVAILABLE
when the url is not reachable. Never returns null.- Specified by:
getURLInfo
in interfaceTimeoutConstrainedURLHandler
- Parameters:
url
- The URL for which the information is to be retrievedtimeoutConstraint
- The connectivity timeout constraints. Can be null, in which case the timeouts are implementation specific- Returns:
- URLInfo
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openStream
public java.io.InputStream openStream(java.net.URL url) throws java.io.IOException
- Specified by:
openStream
in interfaceURLHandler
- Parameters:
url
- ditto- Returns:
- InputStream
- Throws:
java.io.IOException
- if something goes wrong
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openStream
public java.io.InputStream openStream(java.net.URL url, TimeoutConstraint timeoutConstraint) throws java.io.IOException
Description copied from interface:TimeoutConstrainedURLHandler
Opens and returns anInputStream
to the passedurl
.- Specified by:
openStream
in interfaceTimeoutConstrainedURLHandler
- Parameters:
url
- The URL to which anInputStream
has to be openedtimeoutConstraint
- The connectivity timeout constraints. Can be null, in which case the timeouts are implementation specific- Returns:
- InputStream
- Throws:
java.io.IOException
- if something goes wrong
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download
public void download(java.net.URL src, java.io.File dest, CopyProgressListener l) throws java.io.IOException
- Specified by:
download
in interfaceURLHandler
- Parameters:
src
- URLdest
- Filel
- CopyProgressListener- Throws:
java.io.IOException
- if something goes wrong
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download
public void download(java.net.URL src, java.io.File dest, CopyProgressListener listener, TimeoutConstraint timeoutConstraint) throws java.io.IOException
Description copied from interface:TimeoutConstrainedURLHandler
Downloads the resource available atsrc
to the targetdest
- Specified by:
download
in interfaceTimeoutConstrainedURLHandler
- Parameters:
src
- The source URL to download the resource fromdest
- The destinationFile
to download the resource tolistener
- The listener that will be notified of the download progresstimeoutConstraint
- The connectivity timeout constraints. Can be null, in which case the timeouts are implementation specific- Throws:
java.io.IOException
- if something goes wrong
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upload
public void upload(java.io.File src, java.net.URL dest, CopyProgressListener l) throws java.io.IOException
- Specified by:
upload
in interfaceURLHandler
- Parameters:
src
- Filedest
- URLl
- CopyProgressListener- Throws:
java.io.IOException
- if something goes wrong
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upload
public void upload(java.io.File src, java.net.URL dest, CopyProgressListener listener, TimeoutConstraint timeoutConstraint) throws java.io.IOException
Description copied from interface:TimeoutConstrainedURLHandler
Uploads thesrc
File
to the targetdest
URL
- Specified by:
upload
in interfaceTimeoutConstrainedURLHandler
- Parameters:
src
- The sourceFile
to uploaddest
- The target URL where theFile
has to be uploadedlistener
- The listener that will be notified of the upload progresstimeoutConstraint
- The connectivity timeout constraints. Can be null, in which case the timeouts are implementation specific- Throws:
java.io.IOException
- if something goes wrong
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setRequestMethod
public void setRequestMethod(int requestMethod)
- Specified by:
setRequestMethod
in interfaceURLHandler
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setDownloader
public void setDownloader(java.lang.String protocol, URLHandler downloader)
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getHandler
public URLHandler getHandler(java.lang.String protocol)
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getDefault
public URLHandler getDefault()
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setDefault
public void setDefault(URLHandler default1)
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