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// Copyright (c) 2015 Saxonica Limited.
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0.
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
package net.sf.saxon.trans;
/**
* This class represents a package catalog. Currently package catalogs are used only
* when XSLT is invoked from the command line using the -pack option.
* The package catalog is an XML file; the only current constraints on its structure
* are that at some level of nesting it contains <package> elements
* that have an @href attribute containing the location of the package
* source code.
*/
import net.sf.saxon.om.TreeModel;
import net.sf.saxon.s9api.*;
import javax.xml.transform.Source;
import javax.xml.transform.stream.StreamSource;
import java.util.ArrayList;
import java.util.List;
public class PackageCatalog {
List packages;
Processor processor;
/**
* Create a package catalog
* @param processor the s9api processor
*/
public PackageCatalog(Processor processor) {
packages = new ArrayList();
this.processor = processor;
}
/**
* Create a package catalog from a supplied XML document containing the
* package information
* @param processor the s9api processor
* @param s the XML source of the package catalog
* @throws SaxonApiException if processing the catalog fails
*/
public PackageCatalog(Processor processor, Source s) throws SaxonApiException {
this(processor);
addCatalog(s);
}
/**
* Add packages from an XML document containing the package catalog
* @param s the XML source of the package catalog
* @throws SaxonApiException if processing the catalog fails
*/
public void addCatalog(Source s) throws SaxonApiException {
DocumentBuilder catbuilder = processor.newDocumentBuilder();
catbuilder.setTreeModel(TreeModel.TINY_TREE);
XdmNode catalog = catbuilder.build(s);
XPathCompiler xpc = processor.newXPathCompiler();
for (XdmItem href : xpc.evaluate("//package/@href", catalog)) {
packages.add(new StreamSource(catalog.getBaseURI().resolve(href.getStringValue()).toString()));
}
}
/**
* Get the Source objects representing packages listed in the catalog
* @return a list of Source objects representing the packages listed in the catalog
*/
public List getSources() {
return packages;
}
}
