org.apache.hadoop.fs.Path.startPositionWithoutWindowsDrive()方法的使用及代码示例
本文整理了Java中org.apache.hadoop.fs.Path.startPositionWithoutWindowsDrive()方法的一些代码示例，展示了Path.startPositionWithoutWindowsDrive()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Path.startPositionWithoutWindowsDrive()方法的具体详情如下：
包路径：org.apache.hadoop.fs.Path
类名称：Path
方法名：startPositionWithoutWindowsDrive
Path.startPositionWithoutWindowsDrive介绍
暂无
代码示例
代码示例来源：origin: org.apache.hadoop/hadoop-common
/**
* Returns true if the path component (i.e. directory) of this URI is
* absolute.
*
* @return whether this URI's path is absolute
*/
public boolean isUriPathAbsolute() {
int start = startPositionWithoutWindowsDrive(uri.getPath());
return uri.getPath().startsWith(SEPARATOR, start);
}代码示例来源：origin: org.apache.hadoop/hadoop-common
/**
* Determine whether a given path string represents an absolute path on
* Windows. e.g. "C:/a/b" is an absolute path. "C:a/b" is not.
*
* @param pathString the path string to evaluate
* @param slashed true if the given path is prefixed with "/"
* @return true if the supplied path looks like an absolute path with a Windows
* drive-specifier
*/
public static boolean isWindowsAbsolutePath(final String pathString,
final boolean slashed) {
int start = startPositionWithoutWindowsDrive(pathString);
return start > 0
&& pathString.length() > start
&& ((pathString.charAt(start) == SEPARATOR_CHAR) ||
(pathString.charAt(start) == '\\'));
}代码示例来源：origin: org.apache.hadoop/hadoop-common
/**
* Merge 2 paths such that the second path is appended relative to the first.
* The returned path has the scheme and authority of the first path. On
* Windows, the drive specification in the second path is discarded.
*
* @param path1 the first path
* @param path2 the second path, to be appended relative to path1
* @return the merged path
*/
public static Path mergePaths(Path path1, Path path2) {
String path2Str = path2.toUri().getPath();
path2Str = path2Str.substring(startPositionWithoutWindowsDrive(path2Str));
// Add path components explicitly, because simply concatenating two path
// string is not safe, for example:
// "/" + "/foo" yields "//foo", which will be parsed as authority in Path
return new Path(path1.toUri().getScheme(),
path1.toUri().getAuthority(),
path1.toUri().getPath() + path2Str);
}代码示例来源：origin: org.apache.hadoop/hadoop-common
/**
* Returns the parent of a path or null if at root.
* @return the parent of a path or null if at root
*/
public Path getParent() {
String path = uri.getPath();
int lastSlash = path.lastIndexOf('/');
int start = startPositionWithoutWindowsDrive(path);
if ((path.length() == start) || // empty path
(lastSlash == start && path.length() == start+1)) { // at root
return null;
}
String parent;
if (lastSlash==-1) {
parent = CUR_DIR;
} else {
parent = path.substring(0, lastSlash==start?start+1:lastSlash);
}
return new Path(uri.getScheme(), uri.getAuthority(), parent);
}代码示例来源：origin: org.apache.hadoop/hadoop-common
/**
* Normalize a path string to use non-duplicated forward slashes as
* the path separator and remove any trailing path separators.
*
* @param scheme the URI scheme. Used to deduce whether we
* should replace backslashes or not
* @param path the scheme-specific part
* @return the normalized path string
*/
private static String normalizePath(String scheme, String path) {
// Remove double forward slashes.
path = StringUtils.replace(path, "//", "/");
// Remove backslashes if this looks like a Windows path. Avoid
// the substitution if it looks like a non-local URI.
if (WINDOWS &&
(hasWindowsDrive(path) ||
(scheme == null) ||
(scheme.isEmpty()) ||
(scheme.equals("file")))) {
path = StringUtils.replace(path, "\\", "/");
}
// trim trailing slash from non-root path (ignoring windows drive)
int minLength = startPositionWithoutWindowsDrive(path) + 1;
if (path.length() > minLength && path.endsWith(SEPARATOR)) {
path = path.substring(0, path.length()-1);
}
return path;
}代码示例来源：origin: com.github.jiayuhan-it/hadoop-common
/**
* True if the path component (i.e. directory) of this URI is absolute.
*/
public boolean isUriPathAbsolute() {
int start = startPositionWithoutWindowsDrive(uri.getPath());
return uri.getPath().startsWith(SEPARATOR, start);
}代码示例来源：origin: io.hops/hadoop-common
/**
* Returns true if the path component (i.e. directory) of this URI is
* absolute.
*
* @return whether this URI's path is absolute
*/
public boolean isUriPathAbsolute() {
int start = startPositionWithoutWindowsDrive(uri.getPath());
return uri.getPath().startsWith(SEPARATOR, start);
}代码示例来源：origin: ch.cern.hadoop/hadoop-common
/**
* True if the path component (i.e. directory) of this URI is absolute.
*/
public boolean isUriPathAbsolute() {
int start = startPositionWithoutWindowsDrive(uri.getPath());
return uri.getPath().startsWith(SEPARATOR, start);
}代码示例来源：origin: io.prestosql.hadoop/hadoop-apache
/**
* True if the path component (i.e. directory) of this URI is absolute.
*/
public boolean isUriPathAbsolute() {
int start = startPositionWithoutWindowsDrive(uri.getPath());
return uri.getPath().startsWith(SEPARATOR, start);
}代码示例来源：origin: io.hops/hadoop-common
/**
* Determine whether a given path string represents an absolute path on
* Windows. e.g. "C:/a/b" is an absolute path. "C:a/b" is not.
*
* @param pathString the path string to evaluate
* @param slashed true if the given path is prefixed with "/"
* @return true if the supplied path looks like an absolute path with a Windows
* drive-specifier
*/
public static boolean isWindowsAbsolutePath(final String pathString,
final boolean slashed) {
int start = startPositionWithoutWindowsDrive(pathString);
return start > 0
&& pathString.length() > start
&& ((pathString.charAt(start) == SEPARATOR_CHAR) ||
(pathString.charAt(start) == '\\'));
}代码示例来源：origin: ch.cern.hadoop/hadoop-common
/**
* Determine whether a given path string represents an absolute path on
* Windows. e.g. "C:/a/b" is an absolute path. "C:a/b" is not.
*
* @param pathString Supplies the path string to evaluate.
* @param slashed true if the given path is prefixed with "/".
* @return true if the supplied path looks like an absolute path with a Windows
* drive-specifier.
*/
public static boolean isWindowsAbsolutePath(final String pathString,
final boolean slashed) {
int start = startPositionWithoutWindowsDrive(pathString);
return start > 0
&& pathString.length() > start
&& ((pathString.charAt(start) == SEPARATOR_CHAR) ||
(pathString.charAt(start) == '\\'));
}代码示例来源：origin: io.prestosql.hadoop/hadoop-apache
/**
* Determine whether a given path string represents an absolute path on
* Windows. e.g. "C:/a/b" is an absolute path. "C:a/b" is not.
*
* @param pathString Supplies the path string to evaluate.
* @param slashed true if the given path is prefixed with "/".
* @return true if the supplied path looks like an absolute path with a Windows
* drive-specifier.
*/
public static boolean isWindowsAbsolutePath(final String pathString,
final boolean slashed) {
int start = startPositionWithoutWindowsDrive(pathString);
return start > 0
&& pathString.length() > start
&& ((pathString.charAt(start) == SEPARATOR_CHAR) ||
(pathString.charAt(start) == '\\'));
}代码示例来源：origin: com.github.jiayuhan-it/hadoop-common
/**
* Determine whether a given path string represents an absolute path on
* Windows. e.g. "C:/a/b" is an absolute path. "C:a/b" is not.
*
* @param pathString Supplies the path string to evaluate.
* @param slashed true if the given path is prefixed with "/".
* @return true if the supplied path looks like an absolute path with a Windows
* drive-specifier.
*/
public static boolean isWindowsAbsolutePath(final String pathString,
final boolean slashed) {
int start = startPositionWithoutWindowsDrive(pathString);
return start > 0
&& pathString.length() > start
&& ((pathString.charAt(start) == SEPARATOR_CHAR) ||
(pathString.charAt(start) == '\\'));
}代码示例来源：origin: io.prestosql.hadoop/hadoop-apache
/** Returns the parent of a path or null if at root. */
public Path getParent() {
String path = uri.getPath();
int lastSlash = path.lastIndexOf('/');
int start = startPositionWithoutWindowsDrive(path);
if ((path.length() == start) || // empty path
(lastSlash == start && path.length() == start+1)) { // at root
return null;
}
String parent;
if (lastSlash==-1) {
parent = CUR_DIR;
} else {
parent = path.substring(0, lastSlash==start?start+1:lastSlash);
}
return new Path(uri.getScheme(), uri.getAuthority(), parent);
}代码示例来源：origin: com.github.jiayuhan-it/hadoop-common
/** Returns the parent of a path or null if at root. */
public Path getParent() {
String path = uri.getPath();
int lastSlash = path.lastIndexOf('/');
int start = startPositionWithoutWindowsDrive(path);
if ((path.length() == start) || // empty path
(lastSlash == start && path.length() == start+1)) { // at root
return null;
}
String parent;
if (lastSlash==-1) {
parent = CUR_DIR;
} else {
parent = path.substring(0, lastSlash==start?start+1:lastSlash);
}
return new Path(uri.getScheme(), uri.getAuthority(), parent);
}代码示例来源：origin: ch.cern.hadoop/hadoop-common
/** Returns the parent of a path or null if at root. */
public Path getParent() {
String path = uri.getPath();
int lastSlash = path.lastIndexOf('/');
int start = startPositionWithoutWindowsDrive(path);
if ((path.length() == start) || // empty path
(lastSlash == start && path.length() == start+1)) { // at root
return null;
}
String parent;
if (lastSlash==-1) {
parent = CUR_DIR;
} else {
parent = path.substring(0, lastSlash==start?start+1:lastSlash);
}
return new Path(uri.getScheme(), uri.getAuthority(), parent);
}代码示例来源：origin: ch.cern.hadoop/hadoop-common
/**
* Merge 2 paths such that the second path is appended relative to the first.
* The returned path has the scheme and authority of the first path. On
* Windows, the drive specification in the second path is discarded.
*
* @param path1 Path first path
* @param path2 Path second path, to be appended relative to path1
* @return Path merged path
*/
public static Path mergePaths(Path path1, Path path2) {
String path2Str = path2.toUri().getPath();
path2Str = path2Str.substring(startPositionWithoutWindowsDrive(path2Str));
// Add path components explicitly, because simply concatenating two path
// string is not safe, for example:
// "/" + "/foo" yields "//foo", which will be parsed as authority in Path
return new Path(path1.toUri().getScheme(),
path1.toUri().getAuthority(),
path1.toUri().getPath() + path2Str);
}代码示例来源：origin: io.hops/hadoop-common
/**
* Merge 2 paths such that the second path is appended relative to the first.
* The returned path has the scheme and authority of the first path. On
* Windows, the drive specification in the second path is discarded.
*
* @param path1 the first path
* @param path2 the second path, to be appended relative to path1
* @return the merged path
*/
public static Path mergePaths(Path path1, Path path2) {
String path2Str = path2.toUri().getPath();
path2Str = path2Str.substring(startPositionWithoutWindowsDrive(path2Str));
// Add path components explicitly, because simply concatenating two path
// string is not safe, for example:
// "/" + "/foo" yields "//foo", which will be parsed as authority in Path
return new Path(path1.toUri().getScheme(),
path1.toUri().getAuthority(),
path1.toUri().getPath() + path2Str);
}代码示例来源：origin: com.github.jiayuhan-it/hadoop-common
/**
* Merge 2 paths such that the second path is appended relative to the first.
* The returned path has the scheme and authority of the first path. On
* Windows, the drive specification in the second path is discarded.
*
* @param path1 Path first path
* @param path2 Path second path, to be appended relative to path1
* @return Path merged path
*/
public static Path mergePaths(Path path1, Path path2) {
String path2Str = path2.toUri().getPath();
path2Str = path2Str.substring(startPositionWithoutWindowsDrive(path2Str));
// Add path components explicitly, because simply concatenating two path
// string is not safe, for example:
// "/" + "/foo" yields "//foo", which will be parsed as authority in Path
return new Path(path1.toUri().getScheme(),
path1.toUri().getAuthority(),
path1.toUri().getPath() + path2Str);
}代码示例来源：origin: io.prestosql.hadoop/hadoop-apache
/**
* Merge 2 paths such that the second path is appended relative to the first.
* The returned path has the scheme and authority of the first path. On
* Windows, the drive specification in the second path is discarded.
*
* @param path1 Path first path
* @param path2 Path second path, to be appended relative to path1
* @return Path merged path
*/
public static Path mergePaths(Path path1, Path path2) {
String path2Str = path2.toUri().getPath();
path2Str = path2Str.substring(startPositionWithoutWindowsDrive(path2Str));
// Add path components explicitly, because simply concatenating two path
// string is not safe, for example:
// "/" + "/foo" yields "//foo", which will be parsed as authority in Path
return new Path(path1.toUri().getScheme(),
path1.toUri().getAuthority(),
path1.toUri().getPath() + path2Str);
}内容来源于网络，如有侵权，请联系作者删除！
