com.sun.xml.xsom.XmlString Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.xsom;
/*-
* #%L
* XSOM
* %%
* Copyright (C) 2019 - 2020 Entur
* %%
* Licensed under the EUPL, Version 1.1 or – as soon they will be
* approved by the European Commission - subsequent versions of the
* EUPL (the "Licence");
*
* You may not use this work except in compliance with the Licence.
* You may obtain a copy of the Licence at:
*
* http://ec.europa.eu/idabc/eupl5
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the Licence is distributed on an "AS IS" basis,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Licence for the specific language governing permissions and
* limitations under the Licence.
* #L%
*/
import com.sun.tools.rngdatatype.ValidationContext;
/**
* String with in-scope namespace binding information.
*
*
* In a general case, text (PCDATA/attributes) that appear in XML schema
* cannot be correctly interpreted unless you also have in-scope namespace
* binding (a case in point is QName.) Therefore, it's convenient to
* handle the lexical representation and the in-scope namespace binding
* in a pair.
*
* @author Kohsuke Kawaguchi
*/
public final class XmlString {
/**
* Textual value. AKA lexical representation.
*/
public final String value;
/**
* Used to resole in-scope namespace bindings.
*/
public final ValidationContext context;
/**
* Creates a new {@link XmlString} from a lexical representation and in-scope namespaces.
*/
public XmlString(String value, ValidationContext context) {
this.value = value;
this.context = context;
if(context==null)
throw new IllegalArgumentException();
}
/**
* Creates a new {@link XmlString} with empty in-scope namespace bindings.
*/
public XmlString(String value) {
this(value,NULL_CONTEXT);
}
/**
* Resolves a namespace prefix to the corresponding namespace URI.
*
* This method is used for resolving prefixes in the {@link #value}
* (such as when {@link #value} represents a QName type.)
*
*
* If the prefix is "" (empty string), the method
* returns the default namespace URI.
*
*
* If the prefix is "xml", then the method returns
* "http://www.w3.org/XML/1998/namespace",
* as defined in the XML Namespaces Recommendation.
*
* @return
* namespace URI of this prefix.
* If the specified prefix is not declared,
* the implementation returns null.
*/
public final String resolvePrefix(String prefix) {
return context.resolveNamespacePrefix(prefix);
}
public String toString() {
return value;
}
private static final ValidationContext NULL_CONTEXT = new ValidationContext() {
public String resolveNamespacePrefix(String s) {
if(s.length()==0) return "";
if(s.equals("xml")) return "http://www.w3.org/XML/1998/namespace";
return null;
}
public String getBaseUri() {
return null;
}
public boolean isUnparsedEntity(String s) {
return false;
}
public boolean isNotation(String s) {
return false;
}
};
}