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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2013 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.pull;

import javax.xml.transform.Source;

/**
 * A PullSource is a JAXP Source that encapsulates a PullProvider - that is, an object
 * that supplies an XML document as a sequence of events that are read under the control
 * of the recipient. Note that although PullSource implements the JAXP Source interface,
 * it is not necessarily acceptable to every JAXP implementation that accepts a Source
 * as input: Source is essentially a marker interface and users of Source objects need
 * to understand the individual implementation.
 */

public class PullSource implements Source {

    private String systemId;
    private PullProvider provider;

    /**
     * Create a PullSource based on a supplied PullProvider
     * @param provider the underlying PullProvider
     */

    public PullSource(/*@NotNull*/ PullProvider provider) {
        this.provider = provider;
        if (provider.getSourceLocator() != null) {
            systemId = provider.getSourceLocator().getSystemId();
        }
    }

    /**
     * Get the PullProvider
     * @return the underlying PullProvider
     */

    public PullProvider getPullProvider() {
        return provider;
    }

    /**
     * Set the system identifier for this Source.
     * 

*

The system identifier is optional if the source does not * get its data from a URL, but it may still be useful to provide one. * The application can use a system identifier, for example, to resolve * relative URIs and to include in error messages and warnings.

* * @param systemId The system identifier as a URL string. */ public void setSystemId(String systemId) { this.systemId = systemId; } /** * Get the system identifier that was set with setSystemId. * * @return The system identifier that was set with setSystemId, or null * if setSystemId was not called. */ public String getSystemId() { return systemId; } }




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