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Introduce commented constants for the segments of an URI regex

The regular expressions used to parse URI's are constructed by
concatenating different segments to a big String. Introduce
String constants for these segements and document them.

Change-Id: If8b9dbaaf57ca333ac0b6c9610c3d3a515c540f9
Signed-off-by: Christian Halstrick <christian.halstrick@sap.com>
stable-0.10
Christian Halstrick 14 years ago
parent
commit
a1b0ca1807
  1. 57
      org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java

57
org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java

@ -61,19 +61,64 @@ import org.eclipse.jgit.lib.Constants;
* any special character is written as-is.
*/
public class URIish implements Serializable {
/**
* Part of a pattern which matches the scheme part (git, http, ...) of an
* URI. Defines one capturing group containing the scheme without the
* trailing colon and slashes
*/
private static final String SCHEME_P = "([a-z][a-z0-9+-]+)://";
/**
* Part of a pattern which matches the optional user/password part (e.g.
* root:pwd@ in git://root:pwd@host.xyz/a.git) of URIs. Defines two
* capturing groups: the first containing the user and the second containing
* the password
*/
private static final String OPT_USER_PWD_P = "(?:([^/]+?)(?::([^/]+?))?@)?";
/**
* Part of a pattern which matches the optional host part of URIs. Defines
* one capturing group containing the host name.
*/
private static final String OPT_HOST_P = "(?:([^/]+?))?";
/**
* Part of a pattern which matches the optional port part of URIs. Defines
* one capturing group containing the port without the preceding colon.
*/
private static final String OPT_PORT_P = "(?::(\\d+))?";
/**
* Part of a pattern which matches the optional drive letter in paths (e.g.
* D: in file:///D:/a.txt). Defines no capturing group.
*/
private static final String OPT_DRIVE_LETTER_P = "(?:[A-Za-z]:)?";
/**
* Part of a pattern which matches a relative path. Relative paths don't
* start with slash or drive letters. Defines no capturing group.
*/
private static final String OPT_RELATIVE_PATH_P = "(?:\\.\\.)?";
private static final long serialVersionUID = 1L;
/**
* A pattern matching standard URI: </br>
* <code>scheme "://" user_password? hostname? portnumber? path</code>
*/
private static final Pattern FULL_URI = Pattern.compile("^" //
+ "(?:" //
+ "([a-z][a-z0-9+-]+)://" // optional http://
+ "(?:([^/]+?)(?::([^/]+?))?@)?" // optional user:password@
+ "(?:([^/]+?))?(?::(\\d+))?" // optional example.com:1337
+ SCHEME_P //
+ OPT_USER_PWD_P //
+ OPT_HOST_P //
+ OPT_PORT_P //
+ ")?" //
+ "(" + "(?:[A-Za-z]:)?" // optional drive-letter:
+ "(?:\\.\\.)?" // optionally a relative path
+ "/.+" //
+ "(" + OPT_DRIVE_LETTER_P + OPT_RELATIVE_PATH_P + "/.+" //
+ ")$"); // /anything
/**
* A pattern matching SCP URI's of the form user@host:path/to/repo.git
*/
private static final Pattern SCP_URI = Pattern.compile("^" //
+ "(?:([^@]+?)@)?" //
+ "([^:]+?)" //

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