/*
 * JBoss, Home of Professional Open Source.
 *
 * See the LEGAL.txt file distributed with this work for information regarding copyright ownership and licensing.
 *
 * See the AUTHORS.txt file distributed with this work for a full listing of individual contributors.
 */

package org.teiid.designer.common.xsd;

import java.util.ArrayList;
import java.util.List;

/**
 * Class that represents the content of an XMI file's header.
 *
 * @since 8.0
 */
public final class XsdHeader {

    private List<String> namespaceURIs = new ArrayList<String>();
    private List<String> importNamespaceURIs = new ArrayList<String>();
    private List<String> importSchemaLocations = new ArrayList<String>();
    private List<String> includeSchemaLocations = new ArrayList<String>();
    private String targetNamespaceURI;

    public String getTargetNamespaceURI() {
        return this.targetNamespaceURI;
    }

    public String[] getNamespaceURIs() {
        return this.namespaceURIs.toArray(new String[this.namespaceURIs.size()]);
    }

    public String[] getImportNamespaces() {
        return this.importNamespaceURIs.toArray(new String[this.importNamespaceURIs.size()]);
    }

    public String[] getImportSchemaLocations() {
        return this.importSchemaLocations.toArray(new String[this.importSchemaLocations.size()]);
    }

    public String[] getIncludeSchemaLocations() {
        return this.includeSchemaLocations.toArray(new String[this.includeSchemaLocations.size()]);
    }

    public void addNamespaceURI( final String uri ) {
        if (!this.namespaceURIs.contains(uri)) {
            this.namespaceURIs.add(uri);
        }
    }

    public void addImportNamespaceURI( final String uri ) {
        if (!this.importNamespaceURIs.contains(uri)) {
            this.importNamespaceURIs.add(uri);
        }
    }

    public void addImportSchemaLocation( final String location ) {
        if (!this.importSchemaLocations.contains(location)) {
            this.importSchemaLocations.add(location);
        }
    }

    public void addIncludeSchemaLocation( final String location ) {
        if (!this.includeSchemaLocations.contains(location)) {
            this.includeSchemaLocations.add(location);
        }
    }

    public void setTargetNamespaceURI( final String uri ) {
        this.targetNamespaceURI = uri;
    }

    /**
     * Method to print the contents of the XMI Header object.
     * 
     * @param stream the stream
     */
    @Override
    public String toString() {
        StringBuffer sb = new StringBuffer(100);
        sb.append("Xsd Header:"); //$NON-NLS-1$
        sb.append("\n  targetNamespace:       "); //$NON-NLS-1$
        sb.append(this.getTargetNamespaceURI());
        sb.append("\n  Namespace URIs:"); //$NON-NLS-1$
        String[] nsUris = this.getNamespaceURIs();
        for (int i = 0; i < nsUris.length; i++) {
            sb.append("\n    "); //$NON-NLS-1$
            sb.append(nsUris[i]);
        }
        sb.append("\n  Import Namespace URIs:"); //$NON-NLS-1$
        String[] imports = this.getImportNamespaces();
        for (int i = 0; i < imports.length; i++) {
            sb.append("\n    "); //$NON-NLS-1$
            sb.append(imports[i]);
        }
        sb.append("\n  Import Schema Locations:"); //$NON-NLS-1$
        String[] importLocs = this.getImportSchemaLocations();
        for (int i = 0; i < importLocs.length; i++) {
            sb.append("\n    "); //$NON-NLS-1$
            sb.append(importLocs[i]);
        }
        sb.append("\n  Include Schema Locations:"); //$NON-NLS-1$
        String[] includeLocs = this.getIncludeSchemaLocations();
        for (int i = 0; i < includeLocs.length; i++) {
            sb.append("\n    "); //$NON-NLS-1$
            sb.append(includeLocs[i]);
        }
        return sb.toString();
    }
}