X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.api%2Fsrc%2Forg%2Fargeo%2Fapi%2Fgcr%2FContentNameSupplier.java;fp=org.argeo.api%2Fsrc%2Forg%2Fargeo%2Fapi%2Fgcr%2FContentNameSupplier.java;h=b6d802049cf85fe72882c2107d441c73965c10b2;hb=e5a22cdc7d0f4918f2740c626e1ab6384bd5ee44;hp=0000000000000000000000000000000000000000;hpb=51efb630db7314b67654a03d1bd983b45aa2f1ed;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.api/src/org/argeo/api/gcr/ContentNameSupplier.java b/org.argeo.api/src/org/argeo/api/gcr/ContentNameSupplier.java
new file mode 100644
index 000000000..b6d802049
--- /dev/null
+++ b/org.argeo.api/src/org/argeo/api/gcr/ContentNameSupplier.java
@@ -0,0 +1,102 @@
+package org.argeo.api.gcr;
+
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.function.Supplier;
+
+import javax.xml.XMLConstants;
+import javax.xml.namespace.NamespaceContext;
+
+public interface ContentNameSupplier extends Supplier<ContentName>, NamespaceContext {
+	String name();
+
+	@Override
+	default ContentName get() {
+		return toContentName();
+	}
+
+	default ContentName toContentName() {
+		CompositeString cs = new CompositeString(name());
+		String camlName = cs.toStringCaml(false);
+		return new ContentName(getNamespaceURI(), camlName, this);
+	}
+
+	default String getNamespaceURI() {
+		return XMLConstants.NULL_NS_URI;
+	}
+
+	default String getDefaultPrefix() {
+		return XMLConstants.DEFAULT_NS_PREFIX;
+	}
+
+//	static ContentName toContentName(String namespaceURI, String localName, String prefix) {
+//		CompositeString cs = new CompositeString(localName);
+//		String camlName = cs.toStringCaml(false);
+//		return new ContentName(namespaceURI, camlName, this);
+//	}
+
+	/*
+	 * NAMESPACE CONTEXT
+	 */
+
+	@Override
+	default String getNamespaceURI(String prefix) {
+		String namespaceURI = getStandardNamespaceURI(prefix);
+		if (namespaceURI != null)
+			return namespaceURI;
+		if (prefix.equals(getDefaultPrefix()))
+			return getNamespaceURI();
+		return XMLConstants.NULL_NS_URI;
+	}
+
+	@Override
+	default String getPrefix(String namespaceURI) {
+		String prefix = getStandardPrefix(namespaceURI);
+		if (prefix != null)
+			return prefix;
+		if (namespaceURI.equals(getNamespaceURI()))
+			return getDefaultPrefix();
+		return null;
+	}
+
+	@Override
+	default Iterator<String> getPrefixes(String namespaceURI) {
+		Iterator<String> it = getStandardPrefixes(namespaceURI);
+		if (it != null)
+			return it;
+		if (namespaceURI.equals(getNamespaceURI()))
+			return Collections.singleton(getDefaultPrefix()).iterator();
+		return Collections.emptyIterator();
+	}
+
+	/*
+	 * DEFAULT NAMESPACE CONTEXT OPERATIONS as specified in NamespaceContext
+	 */
+	static String getStandardPrefix(String namespaceURI) {
+		if (namespaceURI == null)
+			throw new IllegalArgumentException("Namespace URI cannot be null");
+		if (XMLConstants.XML_NS_URI.equals(namespaceURI))
+			return XMLConstants.XML_NS_PREFIX;
+		else if (XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(namespaceURI))
+			return XMLConstants.XMLNS_ATTRIBUTE;
+		return null;
+	}
+
+	static Iterator<String> getStandardPrefixes(String namespaceURI) {
+		String prefix = ContentNameSupplier.getStandardPrefix(namespaceURI);
+		if (prefix == null)
+			return null;
+		return Collections.singleton(prefix).iterator();
+	}
+
+	static String getStandardNamespaceURI(String prefix) {
+		if (prefix == null)
+			throw new IllegalArgumentException("Prefix cannot be null");
+		if (XMLConstants.XML_NS_PREFIX.equals(prefix))
+			return XMLConstants.XML_NS_URI;
+		else if (XMLConstants.XMLNS_ATTRIBUTE.equals(prefix))
+			return XMLConstants.XMLNS_ATTRIBUTE_NS_URI;
+		return null;
+	}
+
+}