下面列出了java.net.URI#isOpaque ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Creates a new instance of this class with the specified parameters.
*
* @param uri the URI of this description within the {@link ConfigDescriptionRegistry}
* @param parameters the list of configuration parameters that belong to the given URI
* @param groups the list of groups associated with the parameters
* @throws IllegalArgumentException if the URI is null or invalid
* @deprecated Use the {@link ConfigDescriptionBuilder} instead.
*/
@Deprecated
ConfigDescription(URI uri, @Nullable List<ConfigDescriptionParameter> parameters,
@Nullable List<ConfigDescriptionParameterGroup> groups) {
if (uri == null) {
throw new IllegalArgumentException("The URI must not be null!");
}
if (!uri.isAbsolute()) {
throw new IllegalArgumentException("The scheme is missing!");
}
if (!uri.isOpaque()) {
throw new IllegalArgumentException("The scheme specific part (token) must not start with a slash ('/')!");
}
this.uri = uri;
this.parameters = parameters == null ? Collections.emptyList() : Collections.unmodifiableList(parameters);
this.parameterGroups = groups == null ? Collections.emptyList() : Collections.unmodifiableList(groups);
}
@Override public Source append(Source child) {
if (isFile(child)) {
if (child.file().isAbsolute()) {
return child;
}
} else {
try {
URI uri = child.url().toURI();
if (!uri.isOpaque()) {
// The URL is "absolute" (it starts with a slash)
return child;
}
} catch (URISyntaxException e) {
throw new IllegalArgumentException("Unable to convert URL " + child.url() + " to URI", e);
}
}
String path = child.path();
if (!urlGenerated) {
String encodedPath = new File(".").toURI().relativize(new File(path).toURI())
.getRawSchemeSpecificPart();
return Sources.url(url + "/" + encodedPath);
} else {
return Sources.file(file, path);
}
}
private static File urlToFile(URL url) {
if (!"file".equals(url.getProtocol())) {
return null;
}
URI uri;
try {
uri = url.toURI();
} catch (URISyntaxException e) {
throw new IllegalArgumentException("Unable to convert URL " + url + " to URI", e);
}
if (uri.isOpaque()) {
// It is like file:test%20file.c++
// getSchemeSpecificPart would return "test file.c++"
return new File(uri.getSchemeSpecificPart());
}
// See https://stackoverflow.com/a/17870390/1261287
return Paths.get(uri).toFile();
}
private boolean matchNormalized(URI uri) {
if (uriPattern.isOpaque()) {
// This url only has scheme, scheme-specific part and fragment
return uri.isOpaque() &&
match(uriPattern.getScheme(), uri.getScheme()) &&
match(uriPattern.getSchemeSpecificPart(), uri.getSchemeSpecificPart()) &&
match(uriPattern.getFragment(), uri.getFragment());
} else {
return match(uriPattern.getScheme(), uri.getScheme()) &&
match(uriPattern.getAuthority(), uri.getAuthority()) &&
match(uriPattern.getQuery(), uri.getQuery()) &&
match(uriPattern.getPath(), uri.getPath()) &&
match(uriPattern.getFragment(), uri.getFragment());
}
}
private void checkURI(URI uri, boolean allowUserInfo, boolean allowPath) {
if (!uri.isAbsolute()) {
throw Messages.uri().notAbsolute(uri);
}
if (!getScheme().equalsIgnoreCase(uri.getScheme())) {
throw Messages.uri().invalidScheme(uri, getScheme());
}
if (!allowUserInfo && uri.getUserInfo() != null && !uri.getUserInfo().isEmpty()) {
throw Messages.uri().hasUserInfo(uri);
}
if (uri.isOpaque()) {
throw Messages.uri().notHierarchical(uri);
}
if (!allowPath && uri.getPath() != null && !uri.getPath().isEmpty()) {
throw Messages.uri().hasPath(uri);
}
if (uri.getQuery() != null && !uri.getQuery().isEmpty()) {
throw Messages.uri().hasQuery(uri);
}
if (uri.getFragment() != null && !uri.getFragment().isEmpty()) {
throw Messages.uri().hasFragment(uri);
}
}
private Optional<String> featurePackage(final String uriString, final String featureName) {
final Optional<URI> maybeUri = safeUri(uriString);
if (!maybeUri.isPresent()) {
return Optional.empty();
}
URI uri = maybeUri.get();
if (!uri.isOpaque()) {
final URI work = new File("").toURI();
uri = work.relativize(uri);
}
final String schemeSpecificPart = uri.normalize().getSchemeSpecificPart();
final Stream<String> folders = Stream.of(schemeSpecificPart.replaceAll("\\.", "_").split("/"));
final Stream<String> name = Stream.of(featureName);
return Optional.of(Stream.concat(folders, name)
.filter(Objects::nonNull)
.filter(s -> !s.isEmpty())
.collect(Collectors.joining(".")));
}
/**
* Converts a file path entry in a configuration file to a URI.
* @param kw - keyword input containing the file path data
* @return the URI corresponding to the file path data.
* @throws InputErrorException
*/
public static URI parseURI(KeywordIndex kw)
throws InputErrorException {
Input.assertCount(kw, 1);
String arg = kw.getArg(0);
// Convert the file path to a URI
URI uri = null;
try {
if (kw.context != null)
uri = InputAgent.getFileURI(kw.context.context, arg, kw.context.jail);
else
uri = InputAgent.getFileURI(null, arg, null);
}
catch (URISyntaxException ex) {
throw new InputErrorException("File Entity parse error: %s", ex.getMessage());
}
if (uri == null)
throw new InputErrorException("Unable to parse the file path:\n%s", arg);
if (!uri.isOpaque() && uri.getPath() == null)
throw new InputErrorException("Unable to parse the file path:\n%s", arg);
return uri;
}
private static boolean isDataUri(URI uri) {
if (null != uri && "data".equals(uri.getScheme())
&& uri.isOpaque()) {
return true;
}
return false;
}
/**
* Creates a new instance of this class with the specified parameters.
*
* @param uri the URI of this description within the {@link ConfigDescriptionRegistry} (must neither be null nor
* empty)
* @param parameters the list of configuration parameters that belong to the given URI
* (could be null or empty)
* @param groups the list of groups associated with the parameters
* @throws IllegalArgumentException if the URI is null or invalid
*/
public ConfigDescription(URI uri, List<ConfigDescriptionParameter> parameters,
List<ConfigDescriptionParameterGroup> groups) {
if (uri == null) {
throw new IllegalArgumentException("The URI must not be null!");
}
if (!uri.isAbsolute()) {
throw new IllegalArgumentException("The scheme is missing!");
}
if (!uri.isOpaque()) {
throw new IllegalArgumentException("The scheme specific part (token) must not start with a slash ('/')!");
}
this.uri = uri;
if (parameters != null) {
this.parameters = Collections.unmodifiableList(parameters);
} else {
this.parameters = Collections.unmodifiableList(new ArrayList<ConfigDescriptionParameter>(0));
}
if (groups != null) {
this.parameterGroups = Collections.unmodifiableList(groups);
} else {
this.parameterGroups = Collections.unmodifiableList(new ArrayList<ConfigDescriptionParameterGroup>(0));
}
}
/**
* Converts given URI to a Path
*/
static WindowsPath fromUri(WindowsFileSystem fs, URI uri) {
if (!uri.isAbsolute())
throw new IllegalArgumentException("URI is not absolute");
if (uri.isOpaque())
throw new IllegalArgumentException("URI is not hierarchical");
String scheme = uri.getScheme();
if ((scheme == null) || !scheme.equalsIgnoreCase("file"))
throw new IllegalArgumentException("URI scheme is not \"file\"");
if (uri.getFragment() != null)
throw new IllegalArgumentException("URI has a fragment component");
if (uri.getQuery() != null)
throw new IllegalArgumentException("URI has a query component");
String path = uri.getPath();
if (path.equals(""))
throw new IllegalArgumentException("URI path component is empty");
// UNC
String auth = uri.getAuthority();
if (auth != null && !auth.equals("")) {
String host = uri.getHost();
if (host == null)
throw new IllegalArgumentException("URI authority component has undefined host");
if (uri.getUserInfo() != null)
throw new IllegalArgumentException("URI authority component has user-info");
if (uri.getPort() != -1)
throw new IllegalArgumentException("URI authority component has port number");
// IPv6 literal
// 1. drop enclosing brackets
// 2. replace ":" with "-"
// 3. replace "%" with "s" (zone/scopeID delimiter)
// 4. Append .ivp6-literal.net
if (host.startsWith("[")) {
host = host.substring(1, host.length()-1)
.replace(':', '-')
.replace('%', 's');
host += IPV6_LITERAL_SUFFIX;
}
// reconstitute the UNC
path = "\\\\" + host + path;
} else {
if ((path.length() > 2) && (path.charAt(2) == ':')) {
// "/c:/foo" --> "c:/foo"
path = path.substring(1);
}
}
return WindowsPath.parse(fs, path);
}
/**
* Converts given URI to a Path
*/
static WindowsPath fromUri(WindowsFileSystem fs, URI uri) {
if (!uri.isAbsolute())
throw new IllegalArgumentException("URI is not absolute");
if (uri.isOpaque())
throw new IllegalArgumentException("URI is not hierarchical");
String scheme = uri.getScheme();
if ((scheme == null) || !scheme.equalsIgnoreCase("file"))
throw new IllegalArgumentException("URI scheme is not \"file\"");
if (uri.getRawFragment() != null)
throw new IllegalArgumentException("URI has a fragment component");
if (uri.getRawQuery() != null)
throw new IllegalArgumentException("URI has a query component");
String path = uri.getPath();
if (path.equals(""))
throw new IllegalArgumentException("URI path component is empty");
// UNC
String auth = uri.getRawAuthority();
if (auth != null && !auth.equals("")) {
String host = uri.getHost();
if (host == null)
throw new IllegalArgumentException("URI authority component has undefined host");
if (uri.getUserInfo() != null)
throw new IllegalArgumentException("URI authority component has user-info");
if (uri.getPort() != -1)
throw new IllegalArgumentException("URI authority component has port number");
// IPv6 literal
// 1. drop enclosing brackets
// 2. replace ":" with "-"
// 3. replace "%" with "s" (zone/scopeID delimiter)
// 4. Append .ivp6-literal.net
if (host.startsWith("[")) {
host = host.substring(1, host.length()-1)
.replace(':', '-')
.replace('%', 's');
host += IPV6_LITERAL_SUFFIX;
}
// reconstitute the UNC
path = "\\\\" + host + path;
} else {
if ((path.length() > 2) && (path.charAt(2) == ':')) {
// "/c:/foo" --> "c:/foo"
path = path.substring(1);
}
}
return WindowsPath.parse(fs, path);
}
public static String getDecodedFileName(URI uri) {
return (!uri.isOpaque() ? getDecodedFileName(uri.getPath()) : null);
}
/**
* Converts given URI to a Path
*/
static WindowsPath fromUri(WindowsFileSystem fs, URI uri) {
if (!uri.isAbsolute())
throw new IllegalArgumentException("URI is not absolute");
if (uri.isOpaque())
throw new IllegalArgumentException("URI is not hierarchical");
String scheme = uri.getScheme();
if ((scheme == null) || !scheme.equalsIgnoreCase("file"))
throw new IllegalArgumentException("URI scheme is not \"file\"");
if (uri.getFragment() != null)
throw new IllegalArgumentException("URI has a fragment component");
if (uri.getQuery() != null)
throw new IllegalArgumentException("URI has a query component");
String path = uri.getPath();
if (path.equals(""))
throw new IllegalArgumentException("URI path component is empty");
// UNC
String auth = uri.getAuthority();
if (auth != null && !auth.equals("")) {
String host = uri.getHost();
if (host == null)
throw new IllegalArgumentException("URI authority component has undefined host");
if (uri.getUserInfo() != null)
throw new IllegalArgumentException("URI authority component has user-info");
if (uri.getPort() != -1)
throw new IllegalArgumentException("URI authority component has port number");
// IPv6 literal
// 1. drop enclosing brackets
// 2. replace ":" with "-"
// 3. replace "%" with "s" (zone/scopeID delimiter)
// 4. Append .ivp6-literal.net
if (host.startsWith("[")) {
host = host.substring(1, host.length()-1)
.replace(':', '-')
.replace('%', 's');
host += IPV6_LITERAL_SUFFIX;
}
// reconstitute the UNC
path = "\\\\" + host + path;
} else {
if ((path.length() > 2) && (path.charAt(2) == ':')) {
// "/c:/foo" --> "c:/foo"
path = path.substring(1);
}
}
return WindowsPath.parse(fs, path);
}
public HttpRequest(
String method,
String url,
LinkedListMultimap<String, String> headers,
String body,
String server,
LinkedListMultimap<String, String> queryParameters
) {
if (url != null) {
URI uri = URI.create(url);
if (uri.isOpaque()) {
throw new IllegalArgumentException("Should be a URL, not a URI");
}
this.path = uri.getPath();
if (uri.isAbsolute() && server == null) {
this.server = uri.getScheme() + "://" + uri.getRawAuthority();
} else {
this.server = server;
}
//if you have query parameters in the base url _and_ separate query parameters then the result is a concatenation
if (uri.getRawQuery() != null) {
this.queryParameters = LinkedListMultimap.create();
for (String querySegment : Splitter.on("&").split(uri.getRawQuery())) {
int equalsLocation = querySegment.indexOf('=');
String key = querySegment.substring(0, equalsLocation);
String value = querySegment.substring(equalsLocation + 1);
this.queryParameters.put(key, value);
}
if (queryParameters != null) {
this.queryParameters.putAll(queryParameters);
}
} else {
this.queryParameters = queryParameters;
}
} else {
this.server = server;
this.path = "";
this.queryParameters = queryParameters;
}
this.method = method;
this.headers = headers;
this.body = body;
}
/**
* Creates a new <tt>File</tt> instance by converting the given
* <tt>file:</tt> URI into an abstract pathname.
*
* <p> The exact form of a <tt>file:</tt> URI is system-dependent, hence
* the transformation performed by this constructor is also
* system-dependent.
*
* <p> For a given abstract pathname <i>f</i> it is guaranteed that
*
* <blockquote><tt>
* new File(</tt><i> f</i><tt>.{@link #toURI() toURI}()).equals(</tt><i> f</i><tt>.{@link #getAbsoluteFile() getAbsoluteFile}())
* </tt></blockquote>
*
* so long as the original abstract pathname, the URI, and the new abstract
* pathname are all created in (possibly different invocations of) the same
* Java virtual machine. This relationship typically does not hold,
* however, when a <tt>file:</tt> URI that is created in a virtual machine
* on one operating system is converted into an abstract pathname in a
* virtual machine on a different operating system.
*
* @param uri
* An absolute, hierarchical URI with a scheme equal to
* <tt>"file"</tt>, a non-empty path component, and undefined
* authority, query, and fragment components
*
* @throws NullPointerException
* If <tt>uri</tt> is <tt>null</tt>
*
* @throws IllegalArgumentException
* If the preconditions on the parameter do not hold
*
* @see #toURI()
* @see java.net.URI
* @since 1.4
*/
public File(URI uri) {
// Check our many preconditions
if (!uri.isAbsolute())
throw new IllegalArgumentException("URI is not absolute");
if (uri.isOpaque())
throw new IllegalArgumentException("URI is not hierarchical");
String scheme = uri.getScheme();
if ((scheme == null) || !scheme.equalsIgnoreCase("file"))
throw new IllegalArgumentException("URI scheme is not \"file\"");
if (uri.getAuthority() != null)
throw new IllegalArgumentException("URI has an authority component");
if (uri.getFragment() != null)
throw new IllegalArgumentException("URI has a fragment component");
if (uri.getQuery() != null)
throw new IllegalArgumentException("URI has a query component");
String p = uri.getPath();
if (p.equals(""))
throw new IllegalArgumentException("URI path component is empty");
// Okay, now initialize
p = fs.fromURIPath(p);
if (File.separatorChar != '/')
p = p.replace('/', File.separatorChar);
this.path = fs.normalize(p);
this.prefixLength = fs.prefixLength(this.path);
}
/**
* Creates a new <tt>File</tt> instance by converting the given
* <tt>file:</tt> URI into an abstract pathname.
*
* <p> The exact form of a <tt>file:</tt> URI is system-dependent, hence
* the transformation performed by this constructor is also
* system-dependent.
*
* <p> For a given abstract pathname <i>f</i> it is guaranteed that
*
* <blockquote><tt>
* new File(</tt><i> f</i><tt>.{@link #toURI() toURI}()).equals(</tt><i> f</i><tt>.{@link #getAbsoluteFile() getAbsoluteFile}())
* </tt></blockquote>
*
* so long as the original abstract pathname, the URI, and the new abstract
* pathname are all created in (possibly different invocations of) the same
* Java virtual machine. This relationship typically does not hold,
* however, when a <tt>file:</tt> URI that is created in a virtual machine
* on one operating system is converted into an abstract pathname in a
* virtual machine on a different operating system.
*
* @param uri
* An absolute, hierarchical URI with a scheme equal to
* <tt>"file"</tt>, a non-empty path component, and undefined
* authority, query, and fragment components
*
* @throws NullPointerException
* If <tt>uri</tt> is <tt>null</tt>
*
* @throws IllegalArgumentException
* If the preconditions on the parameter do not hold
*
* @see #toURI()
* @see java.net.URI
* @since 1.4
*/
public File(URI uri) {
// Check our many preconditions
if (!uri.isAbsolute())
throw new IllegalArgumentException("URI is not absolute");
if (uri.isOpaque())
throw new IllegalArgumentException("URI is not hierarchical");
String scheme = uri.getScheme();
if ((scheme == null) || !scheme.equalsIgnoreCase("file"))
throw new IllegalArgumentException("URI scheme is not \"file\"");
if (uri.getAuthority() != null)
throw new IllegalArgumentException("URI has an authority component");
if (uri.getFragment() != null)
throw new IllegalArgumentException("URI has a fragment component");
if (uri.getQuery() != null)
throw new IllegalArgumentException("URI has a query component");
String p = uri.getPath();
if (p.equals(""))
throw new IllegalArgumentException("URI path component is empty");
// Okay, now initialize
p = fs.fromURIPath(p);
if (File.separatorChar != '/')
p = p.replace('/', File.separatorChar);
this.path = fs.normalize(p);
this.prefixLength = fs.prefixLength(this.path);
}
/**
* Creates a new <tt>File</tt> instance by converting the given
* <tt>file:</tt> URI into an abstract pathname.
*
* <p> The exact form of a <tt>file:</tt> URI is system-dependent, hence
* the transformation performed by this constructor is also
* system-dependent.
*
* <p> For a given abstract pathname <i>f</i> it is guaranteed that
*
* <blockquote><tt>
* new File(</tt><i> f</i><tt>.{@link #toURI() toURI}()).equals(</tt><i> f</i><tt>.{@link #getAbsoluteFile() getAbsoluteFile}())
* </tt></blockquote>
*
* so long as the original abstract pathname, the URI, and the new abstract
* pathname are all created in (possibly different invocations of) the same
* Java virtual machine. This relationship typically does not hold,
* however, when a <tt>file:</tt> URI that is created in a virtual machine
* on one operating system is converted into an abstract pathname in a
* virtual machine on a different operating system.
*
* @param uri
* An absolute, hierarchical URI with a scheme equal to
* <tt>"file"</tt>, a non-empty path component, and undefined
* authority, query, and fragment components
*
* @throws NullPointerException
* If <tt>uri</tt> is <tt>null</tt>
*
* @throws IllegalArgumentException
* If the preconditions on the parameter do not hold
*
* @see #toURI()
* @see java.net.URI
* @since 1.4
*/
public File(URI uri) {
// Check our many preconditions
if (!uri.isAbsolute())
throw new IllegalArgumentException("URI is not absolute");
if (uri.isOpaque())
throw new IllegalArgumentException("URI is not hierarchical");
String scheme = uri.getScheme();
if ((scheme == null) || !scheme.equalsIgnoreCase("file"))
throw new IllegalArgumentException("URI scheme is not \"file\"");
if (uri.getAuthority() != null)
throw new IllegalArgumentException("URI has an authority component");
if (uri.getFragment() != null)
throw new IllegalArgumentException("URI has a fragment component");
if (uri.getQuery() != null)
throw new IllegalArgumentException("URI has a query component");
String p = uri.getPath();
if (p.equals(""))
throw new IllegalArgumentException("URI path component is empty");
// Okay, now initialize
p = fs.fromURIPath(p);
if (File.separatorChar != '/')
p = p.replace('/', File.separatorChar);
this.path = fs.normalize(p);
this.prefixLength = fs.prefixLength(this.path);
}
/**
* Creates a new <tt>File</tt> instance by converting the given
* <tt>file:</tt> URI into an abstract pathname.
*
* <p> The exact form of a <tt>file:</tt> URI is system-dependent, hence
* the transformation performed by this constructor is also
* system-dependent.
*
* <p> For a given abstract pathname <i>f</i> it is guaranteed that
*
* <blockquote><tt>
* new File(</tt><i> f</i><tt>.{@link #toURI() toURI}()).equals(</tt><i> f</i><tt>.{@link #getAbsoluteFile() getAbsoluteFile}())
* </tt></blockquote>
*
* so long as the original abstract pathname, the URI, and the new abstract
* pathname are all created in (possibly different invocations of) the same
* Java virtual machine. This relationship typically does not hold,
* however, when a <tt>file:</tt> URI that is created in a virtual machine
* on one operating system is converted into an abstract pathname in a
* virtual machine on a different operating system.
*
* @param uri
* An absolute, hierarchical URI with a scheme equal to
* <tt>"file"</tt>, a non-empty path component, and undefined
* authority, query, and fragment components
*
* @throws NullPointerException
* If <tt>uri</tt> is <tt>null</tt>
*
* @throws IllegalArgumentException
* If the preconditions on the parameter do not hold
*
* @see #toURI()
* @see java.net.URI
* @since 1.4
*/
public File(URI uri) {
// Check our many preconditions
if (!uri.isAbsolute())
throw new IllegalArgumentException("URI is not absolute");
if (uri.isOpaque())
throw new IllegalArgumentException("URI is not hierarchical");
String scheme = uri.getScheme();
if ((scheme == null) || !scheme.equalsIgnoreCase("file"))
throw new IllegalArgumentException("URI scheme is not \"file\"");
if (uri.getAuthority() != null)
throw new IllegalArgumentException("URI has an authority component");
if (uri.getFragment() != null)
throw new IllegalArgumentException("URI has a fragment component");
if (uri.getQuery() != null)
throw new IllegalArgumentException("URI has a query component");
String p = uri.getPath();
if (p.equals(""))
throw new IllegalArgumentException("URI path component is empty");
// Okay, now initialize
p = fs.fromURIPath(p);
if (File.separatorChar != '/')
p = p.replace('/', File.separatorChar);
this.path = fs.normalize(p);
this.prefixLength = fs.prefixLength(this.path);
}
/**
* Creates a new <tt>File</tt> instance by converting the given
* <tt>file:</tt> URI into an abstract pathname.
*
* <p> The exact form of a <tt>file:</tt> URI is system-dependent, hence
* the transformation performed by this constructor is also
* system-dependent.
*
* <p> For a given abstract pathname <i>f</i> it is guaranteed that
*
* <blockquote><tt>
* new File(</tt><i> f</i><tt>.{@link #toURI() toURI}()).equals(</tt><i> f</i><tt>.{@link #getAbsoluteFile() getAbsoluteFile}())
* </tt></blockquote>
*
* so long as the original abstract pathname, the URI, and the new abstract
* pathname are all created in (possibly different invocations of) the same
* Java virtual machine. This relationship typically does not hold,
* however, when a <tt>file:</tt> URI that is created in a virtual machine
* on one operating system is converted into an abstract pathname in a
* virtual machine on a different operating system.
*
* @param uri
* An absolute, hierarchical URI with a scheme equal to
* <tt>"file"</tt>, a non-empty path component, and undefined
* authority, query, and fragment components
*
* @throws NullPointerException
* If <tt>uri</tt> is <tt>null</tt>
*
* @throws IllegalArgumentException
* If the preconditions on the parameter do not hold
*
* @see #toURI()
* @see java.net.URI
* @since 1.4
*/
public File(URI uri) {
// Check our many preconditions
if (!uri.isAbsolute())
throw new IllegalArgumentException("URI is not absolute");
if (uri.isOpaque())
throw new IllegalArgumentException("URI is not hierarchical");
String scheme = uri.getScheme();
if ((scheme == null) || !scheme.equalsIgnoreCase("file"))
throw new IllegalArgumentException("URI scheme is not \"file\"");
if (uri.getAuthority() != null)
throw new IllegalArgumentException("URI has an authority component");
if (uri.getFragment() != null)
throw new IllegalArgumentException("URI has a fragment component");
if (uri.getQuery() != null)
throw new IllegalArgumentException("URI has a query component");
String p = uri.getPath();
if (p.equals(""))
throw new IllegalArgumentException("URI path component is empty");
// Okay, now initialize
p = fs.fromURIPath(p);
if (File.separatorChar != '/')
p = p.replace('/', File.separatorChar);
this.path = fs.normalize(p);
this.prefixLength = fs.prefixLength(this.path);
}
/**
* Creates a new <tt>File</tt> instance by converting the given
* <tt>file:</tt> URI into an abstract pathname.
*
* <p> The exact form of a <tt>file:</tt> URI is system-dependent, hence
* the transformation performed by this constructor is also
* system-dependent.
*
* <p> For a given abstract pathname <i>f</i> it is guaranteed that
*
* <blockquote><tt>
* new File(</tt><i> f</i><tt>.{@link #toURI() toURI}()).equals(</tt><i> f</i><tt>.{@link #getAbsoluteFile() getAbsoluteFile}())
* </tt></blockquote>
*
* so long as the original abstract pathname, the URI, and the new abstract
* pathname are all created in (possibly different invocations of) the same
* Java virtual machine. This relationship typically does not hold,
* however, when a <tt>file:</tt> URI that is created in a virtual machine
* on one operating system is converted into an abstract pathname in a
* virtual machine on a different operating system.
*
* @param uri
* An absolute, hierarchical URI with a scheme equal to
* <tt>"file"</tt>, a non-empty path component, and undefined
* authority, query, and fragment components
*
* @throws NullPointerException
* If <tt>uri</tt> is <tt>null</tt>
*
* @throws IllegalArgumentException
* If the preconditions on the parameter do not hold
*
* @see #toURI()
* @see java.net.URI
* @since 1.4
*/
public File(URI uri) {
// Check our many preconditions
if (!uri.isAbsolute())
throw new IllegalArgumentException("URI is not absolute");
if (uri.isOpaque())
throw new IllegalArgumentException("URI is not hierarchical");
String scheme = uri.getScheme();
if ((scheme == null) || !scheme.equalsIgnoreCase("file"))
throw new IllegalArgumentException("URI scheme is not \"file\"");
if (uri.getAuthority() != null)
throw new IllegalArgumentException("URI has an authority component");
if (uri.getFragment() != null)
throw new IllegalArgumentException("URI has a fragment component");
if (uri.getQuery() != null)
throw new IllegalArgumentException("URI has a query component");
String p = uri.getPath();
if (p.equals(""))
throw new IllegalArgumentException("URI path component is empty");
// Okay, now initialize
p = fs.fromURIPath(p);
if (File.separatorChar != '/')
p = p.replace('/', File.separatorChar);
this.path = fs.normalize(p);
this.prefixLength = fs.prefixLength(this.path);
}