- * URI's in this context are assumed to be formed as follows: - * - *
- * <namespace part>#<local name part> - *- * - *
- * The implementation of {@link #escape(String)} and {@link #unescape(String)} - * is copied and modified from Jena's com.hp.hpl.jena.util.URIref. - *
- * - * @see Percent-encoding - * - * @author Tuukka Lehtonen - */ -public final class URIStringUtils { - - /** - * The character '/' is used as a path separator in URI namespace parts in ProCore. - */ - public static final char NAMESPACE_PATH_SEPARATOR = '/'; - - /** - * The '#' character is used to separate the local name and namespace parts - * of an URI, for examplehttp://www.example.org#localName.
- */
- public static final char NAMESPACE_LOCAL_SEPARATOR = '#';
-
- /**
- * Checks that only one separator character ({@link #NAMESPACE_LOCAL_SEPARATOR})
- * between namespace and localname exists in the specified URI and returns
- * its index.
- *
- * @param uri the URI to search from
- * @return the character index of the separator ranging from 0 to uri.length()-1
- * @throws IllegalArgumentException if no {@link #NAMESPACE_LOCAL_SEPARATOR}
- * is found in the specified URI
- */
- private static int assertSingleSeparatorPosition(String uri) {
- int sharpIndex = uri.indexOf(NAMESPACE_LOCAL_SEPARATOR);
- if (sharpIndex == -1) {
- throw new IllegalArgumentException("URI '" + uri + "' does not contain any '" + NAMESPACE_LOCAL_SEPARATOR + "' separator characters");
- }
- int nextSharpIndex = uri.indexOf(NAMESPACE_LOCAL_SEPARATOR, sharpIndex + 1);
- if (nextSharpIndex != -1) {
- throw new IllegalArgumentException("URI '" + uri + "' contains multiple '" + NAMESPACE_LOCAL_SEPARATOR + "' separator characters");
- }
- return sharpIndex;
- }
-
- /**
- * Checks that only one separator character (
- * {@link #NAMESPACE_LOCAL_SEPARATOR}) between namespace and localname
- * exists in the specified URI and returns its index. This version does not
- * throw an exception when the separator is not found.
- *
- * @param uri the URI to search from
- * @return the character index of the separator ranging from 0 to
- * uri.length()-1 or -1 if no separator was found.
- */
- private static int singleSeparatorPosition(String uri) {
- int sharpIndex = uri.indexOf(NAMESPACE_LOCAL_SEPARATOR);
- if (sharpIndex == -1) {
- return -1;
- }
- int nextSharpIndex = uri.indexOf(NAMESPACE_LOCAL_SEPARATOR, sharpIndex + 1);
- if (nextSharpIndex != -1) {
- return -1;
- }
- return sharpIndex;
- }
-
- /**
- * Splits the specified URI into a namespace and a local name and returns
- * the namespace.
- *
- * - * Assumes that namespaces are always separated by - * {@link #NAMESPACE_LOCAL_SEPARATOR} characters. - *
- * - * @param uri the URI to split, must be non-null - * @return the namespace part of the specified URI - * @throws IllegalArgumentException for URIs without a - * {@link #NAMESPACE_LOCAL_SEPARATOR} - * @throws NullPointerException fornull URIs
- */
- public static String getNamespace(String uri) {
- if (uri == null)
- throw new NullPointerException("null uri");
- int separatorIndex = assertSingleSeparatorPosition(uri);
- return uri.substring(0, separatorIndex);
- }
-
- public static String getRVIParent(String uri) {
- int childSeparator = uri.lastIndexOf(URIStringUtils.NAMESPACE_PATH_SEPARATOR);
- int propertySeparator = uri.lastIndexOf(URIStringUtils.NAMESPACE_LOCAL_SEPARATOR);
- int separator = Math.max(childSeparator, propertySeparator);
- return uri.substring(0, separator);
- }
-
-
- /**
- * Splits the specified URI into a namespace and a local name and returns
- * the local name.
- *
- * - * Assumes that namespaces are always separated by - * {@link #NAMESPACE_LOCAL_SEPARATOR} characters. - *
- * - * @param uri the URI to split, must be non-null - * @return the local name part of the specified URI - * @throws IllegalArgumentException for URIs without a - * {@link #NAMESPACE_LOCAL_SEPARATOR} - * @throws NullPointerException fornull URIs
- */
- public static String getLocalName(String uri) {
- if (uri == null)
- throw new NullPointerException("null uri");
- int separatorIndex = assertSingleSeparatorPosition(uri);
- return uri.substring(separatorIndex + 1);
- }
-
- public static String escapeName(String name) {
- char[] chars = name.toCharArray();
- boolean modified = false;
- for(int i=0;inull if the URI
- * cannot be split.
- * @throws NullPointerException for null URIs
- */
- public static String[] trySplitNamespaceAndLocalName(String uri) {
- if (uri == null)
- throw new NullPointerException("null uri");
- int separatorIndex = singleSeparatorPosition(uri);
- return separatorIndex == -1 ?
- null
- : new String[] { uri.substring(0, separatorIndex), uri.substring(separatorIndex + 1) };
- }
-
- /**
- * Splits the specified URI into a namespace and a local name and returns
- * them both separately as an array.
- *
- * @param uri the URI to split, must be non-null
- * @return [0] = namespace, [1] = local name
- * @throws IllegalArgumentException for URIs without a
- * {@link #NAMESPACE_LOCAL_SEPARATOR}
- * @throws NullPointerException for null URIs
- */
- public static String[] splitNamespaceAndLocalName(String uri) {
- if (uri == null)
- throw new NullPointerException("null uri");
- int separatorIndex = assertSingleSeparatorPosition(uri);
- return new String[] { uri.substring(0, separatorIndex), uri.substring(separatorIndex + 1) };
- }
-
- /**
- * Converts a unicode string into an RFC 2396 compliant URI, using %NN
- * escapes where appropriate, including the
- * {@link #NAMESPACE_PATH_SEPARATOR} character.
- *
- * @param localName the string to escape
- * @return the escaped string
- * @throws NullPointerException for null URIs
- */
- public static String escapeURI(String localName) {
- if (localName == null)
- throw new NullPointerException("null local name");
- return encode(localName);
- }
-
- /**
- * Add a suffix path to a namespace string, i.e. join the strings to
- * together with the {@link #NAMESPACE_PATH_SEPARATOR} character in between.
- *
- * @param namespace the namespace to append to
- * @param suffix the suffix to append
- * @return the joined namespace
- */
- public static String appendURINamespace(String namespace, String suffix) {
- return new StringBuilder(namespace.length() + 1 + suffix.length())
- .append(namespace)
- .append(NAMESPACE_PATH_SEPARATOR)
- .append(suffix)
- .toString();
- }
-
- /**
- * Join a namespace and a localname to form an URI with
- * {@link #NAMESPACE_LOCAL_SEPARATOR}.
- *
- * @param namespace the namespace part to join
- * @param localName the localname part to join
- * @return the joined URI
- */
- public static String makeURI(String namespace, String localName) {
- String escapedLocalName = escapeURI(localName);
- return new StringBuilder(namespace.length() + 1 + escapedLocalName.length())
- .append(namespace)
- .append(NAMESPACE_LOCAL_SEPARATOR)
- .append(escapedLocalName)
- .toString();
- }
-
- /**
- * Convert a Unicode string, first to UTF-8 and then to an RFC 2396
- * compliant URI with optional fragment identifier using %NN escape
- * mechanism as appropriate. The '%' character is assumed to already
- * indicated an escape byte. The '%' character must be followed by two
- * hexadecimal digits.
- *
- *
- * Meant to be used for encoding URI local name parts if it is desired to
- * have '/' characters in the local name without creating a new namespace.
- * For example these two URI's:
- *
- *
- * http://foo.bar.com/foo/bar/org%2Fcom
- *
- * have the same namespace
- * http://foo.bar.com/foo/bar/net%2Fcom
- * http://foo.bar.com/foo/bar/ and
- * different local names org%2Fcom and net%2Fcom
- * or org/com and net/com in unescaped form.
- *
+ * URI's in this context are assumed to be formed as follows: + * + *
+ * <namespace part>#<local name part> + *+ * + *
+ * The implementation of {@link #escape(String)} and {@link #unescape(String)} + * is copied and modified from Jena's com.hp.hpl.jena.util.URIref. + *
+ * + * @see Percent-encoding + * + * @author Tuukka Lehtonen + */ +public final class URIStringUtils { + + /** + * The character '/' is used as a path separator in URI namespace parts in ProCore. + */ + public static final char NAMESPACE_PATH_SEPARATOR = '/'; + + /** + * The '#' character is used to separate the local name and namespace parts + * of an URI, for examplehttp://www.example.org#localName.
+ */
+ public static final char NAMESPACE_LOCAL_SEPARATOR = '#';
+
+ /**
+ * Checks that only one separator character ({@link #NAMESPACE_LOCAL_SEPARATOR})
+ * between namespace and localname exists in the specified URI and returns
+ * its index.
+ *
+ * @param uri the URI to search from
+ * @return the character index of the separator ranging from 0 to uri.length()-1
+ * @throws IllegalArgumentException if no {@link #NAMESPACE_LOCAL_SEPARATOR}
+ * is found in the specified URI
+ */
+ private static int assertSingleSeparatorPosition(String uri) {
+ int sharpIndex = uri.indexOf(NAMESPACE_LOCAL_SEPARATOR);
+ if (sharpIndex == -1) {
+ throw new IllegalArgumentException("URI '" + uri + "' does not contain any '" + NAMESPACE_LOCAL_SEPARATOR + "' separator characters");
+ }
+ int nextSharpIndex = uri.indexOf(NAMESPACE_LOCAL_SEPARATOR, sharpIndex + 1);
+ if (nextSharpIndex != -1) {
+ throw new IllegalArgumentException("URI '" + uri + "' contains multiple '" + NAMESPACE_LOCAL_SEPARATOR + "' separator characters");
+ }
+ return sharpIndex;
+ }
+
+ /**
+ * Checks that only one separator character (
+ * {@link #NAMESPACE_LOCAL_SEPARATOR}) between namespace and localname
+ * exists in the specified URI and returns its index. This version does not
+ * throw an exception when the separator is not found.
+ *
+ * @param uri the URI to search from
+ * @return the character index of the separator ranging from 0 to
+ * uri.length()-1 or -1 if no separator was found.
+ */
+ private static int singleSeparatorPosition(String uri) {
+ int sharpIndex = uri.indexOf(NAMESPACE_LOCAL_SEPARATOR);
+ if (sharpIndex == -1) {
+ return -1;
+ }
+ int nextSharpIndex = uri.indexOf(NAMESPACE_LOCAL_SEPARATOR, sharpIndex + 1);
+ if (nextSharpIndex != -1) {
+ return -1;
+ }
+ return sharpIndex;
+ }
+
+ /**
+ * Splits the specified URI into a namespace and a local name and returns
+ * the namespace.
+ *
+ * + * Assumes that namespaces are always separated by + * {@link #NAMESPACE_LOCAL_SEPARATOR} characters. + *
+ * + * @param uri the URI to split, must be non-null + * @return the namespace part of the specified URI + * @throws IllegalArgumentException for URIs without a + * {@link #NAMESPACE_LOCAL_SEPARATOR} + * @throws NullPointerException fornull URIs
+ */
+ public static String getNamespace(String uri) {
+ if (uri == null)
+ throw new NullPointerException("null uri");
+ int separatorIndex = assertSingleSeparatorPosition(uri);
+ return uri.substring(0, separatorIndex);
+ }
+
+ public static String getRVIParent(String uri) {
+ int childSeparator = uri.lastIndexOf(URIStringUtils.NAMESPACE_PATH_SEPARATOR);
+ int propertySeparator = uri.lastIndexOf(URIStringUtils.NAMESPACE_LOCAL_SEPARATOR);
+ int separator = Math.max(childSeparator, propertySeparator);
+ return uri.substring(0, separator);
+ }
+
+
+ /**
+ * Splits the specified URI into a namespace and a local name and returns
+ * the local name.
+ *
+ * + * Assumes that namespaces are always separated by + * {@link #NAMESPACE_LOCAL_SEPARATOR} characters. + *
+ * + * @param uri the URI to split, must be non-null + * @return the local name part of the specified URI + * @throws IllegalArgumentException for URIs without a + * {@link #NAMESPACE_LOCAL_SEPARATOR} + * @throws NullPointerException fornull URIs
+ */
+ public static String getLocalName(String uri) {
+ if (uri == null)
+ throw new NullPointerException("null uri");
+ int separatorIndex = assertSingleSeparatorPosition(uri);
+ return uri.substring(separatorIndex + 1);
+ }
+
+ public static String escapeName(String name) {
+ char[] chars = name.toCharArray();
+ boolean modified = false;
+ for(int i=0;inull if the URI
+ * cannot be split.
+ * @throws NullPointerException for null URIs
+ */
+ public static String[] trySplitNamespaceAndLocalName(String uri) {
+ if (uri == null)
+ throw new NullPointerException("null uri");
+ int separatorIndex = singleSeparatorPosition(uri);
+ return separatorIndex == -1 ?
+ null
+ : new String[] { uri.substring(0, separatorIndex), uri.substring(separatorIndex + 1) };
+ }
+
+ /**
+ * Splits the specified URI into a namespace and a local name and returns
+ * them both separately as an array.
+ *
+ * @param uri the URI to split, must be non-null
+ * @return [0] = namespace, [1] = local name
+ * @throws IllegalArgumentException for URIs without a
+ * {@link #NAMESPACE_LOCAL_SEPARATOR}
+ * @throws NullPointerException for null URIs
+ */
+ public static String[] splitNamespaceAndLocalName(String uri) {
+ if (uri == null)
+ throw new NullPointerException("null uri");
+ int separatorIndex = assertSingleSeparatorPosition(uri);
+ return new String[] { uri.substring(0, separatorIndex), uri.substring(separatorIndex + 1) };
+ }
+
+ /**
+ * Converts a unicode string into an RFC 2396 compliant URI, using %NN
+ * escapes where appropriate, including the
+ * {@link #NAMESPACE_PATH_SEPARATOR} character.
+ *
+ * @param localName the string to escape
+ * @return the escaped string
+ * @throws NullPointerException for null URIs
+ */
+ public static String escapeURI(String localName) {
+ if (localName == null)
+ throw new NullPointerException("null local name");
+ return encode(localName);
+ }
+
+ /**
+ * Add a suffix path to a namespace string, i.e. join the strings to
+ * together with the {@link #NAMESPACE_PATH_SEPARATOR} character in between.
+ *
+ * @param namespace the namespace to append to
+ * @param suffix the suffix to append
+ * @return the joined namespace
+ */
+ public static String appendURINamespace(String namespace, String suffix) {
+ return new StringBuilder(namespace.length() + 1 + suffix.length())
+ .append(namespace)
+ .append(NAMESPACE_PATH_SEPARATOR)
+ .append(suffix)
+ .toString();
+ }
+
+ /**
+ * Join a namespace and a localname to form an URI with
+ * {@link #NAMESPACE_LOCAL_SEPARATOR}.
+ *
+ * @param namespace the namespace part to join
+ * @param localName the localname part to join
+ * @return the joined URI
+ */
+ public static String makeURI(String namespace, String localName) {
+ String escapedLocalName = escapeURI(localName);
+ return new StringBuilder(namespace.length() + 1 + escapedLocalName.length())
+ .append(namespace)
+ .append(NAMESPACE_LOCAL_SEPARATOR)
+ .append(escapedLocalName)
+ .toString();
+ }
+
+ /**
+ * Convert a Unicode string, first to UTF-8 and then to an RFC 2396
+ * compliant URI with optional fragment identifier using %NN escape
+ * mechanism as appropriate. The '%' character is assumed to already
+ * indicated an escape byte. The '%' character must be followed by two
+ * hexadecimal digits.
+ *
+ *
+ * Meant to be used for encoding URI local name parts if it is desired to
+ * have '/' characters in the local name without creating a new namespace.
+ * For example these two URI's:
+ *
+ *
+ * http://foo.bar.com/foo/bar/org%2Fcom
+ *
+ * have the same namespace
+ * http://foo.bar.com/foo/bar/net%2Fcom
+ * http://foo.bar.com/foo/bar/ and
+ * different local names org%2Fcom and net%2Fcom
+ * or org/com and net/com in unescaped form.
+ *