Application: gvSIG desktop

import java.util.Collection;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

import javax.swing.JOptionPane;

import org.gvsig.exportto.swing.prov.file.panel.SelectFileOptionPanel;

import org.gvsig.i18n.Messages;

    public static final int MAX_FIELD_NAME_LENGTH = 11;

    private Map<String, String> origNameToDbfName;

    private SelectFileOptionPanel filePanel = null;

    public ExporttoShapeService(

    		SelectFileOptionPanel fPanel,

    		FeatureStore featureStore,

    		IProjection projection) {

        this.filePanel = fPanel;

        this.theShapeFile = fPanel.getSelectedFile();

        try {

			origNameToDbfName = getNames(featureStore.getDefaultFeatureType());

		} catch (DataException e) {

			logger.error("While getting def feat type.", e);

		}

    private Map<String, String> getNames(FeatureType ft) {

    	Map<String, String> resp = new HashMap<String, String>();

    	FeatureAttributeDescriptor[] atts = ft.getAttributeDescriptors();

    	for (int i=0; i<atts.length; i++) {

    		if (atts[i].getName().length() > MAX_FIELD_NAME_LENGTH) {

    			String new_name = getNewName(atts[i].getName(), resp.values());

    			resp.put(atts[i].getName(), new_name);

    		}

    	}

		return resp;

	}

	private String getNewName(String name, Collection<String> values) {

		int len = name.length(); 

		if (len <= MAX_FIELD_NAME_LENGTH) {

			/*

			 * Should not happen

			 */

			return name;

		}

		/*

		 * Composes a new name with start and end of old name and an index

		 * THISISAVERYLONGNAME => THISI_AME_1, THISI_AME_2 ... THISI_AME_9

		 */

		String pref = name.substring(0, 6) + "_" + name.substring(len - 2) + "_";

		String resp = null;

		for (int i=0; i<10; i++) {

			resp = pref + i;

			if (!values.contains(resp)) {

				return resp;

			}

		}

		/*

		 * Very strange to get here...

		 * THISISAVERYLONGNAME => THISISA_1, THISISA_2 ... THISISA_999

		 */

		pref = name.substring(0, 7) + "_";

		for (int i=0; i<1000; i++) {

			resp = pref + i;

			if (!values.contains(resp)) {

				return resp;

			}

		}

		/*

		 * Should not get here

		 */

		return name.substring(0, 4) + "_" + (System.currentTimeMillis() % 1000000);

	}

	public void export(FeatureSet featureSet) throws ExporttoServiceException {

        } else {

        	if (origNameToDbfName.size() > 0) {

        		showNewNamesDialog(origNameToDbfName);

        	}

    private void showNewNamesDialog(Map<String, String> map) {

    	Iterator<String> iter = map.keySet().iterator();

    	String msg = Messages.getText("_Some_field_names_too_long_automatically_changed");

    	msg = msg + ":\n";

    	String k, v;

    	while (iter.hasNext()) {

    		k = iter.next();

    		v = map.get(k);

    		msg = msg + "\n" + k + " > " + v;

    	}

    	JOptionPane.showMessageDialog(

    			this.filePanel,

    			msg,

    			Messages.getText("export_progress"),

    			JOptionPane.WARNING_MESSAGE);

	}

	private void initializeParams(

                featureStore.getDefaultFeatureType().getCopy().getEditable();

            // ==========================

            fixNames(type);

            // ==========================

                    		/*

                    		 * Accumulate error in boolean.

                    		 * This also fixes field names (using origNameToDbfName)

                    		 */

                    		setNonNulls(featureStore.getDefaultFeatureType(),

                    				targetType, feature, edit_feat);

    private void fixNames(EditableFeatureType eft) {

    	FeatureAttributeDescriptor[] atts = eft.getAttributeDescriptors();

    	EditableFeatureAttributeDescriptor efad = null;

    	for (int i=0; i<atts.length; i++) {

    		String new_name = origNameToDbfName.get(atts[i].getName()); 

    		if (new_name != null) {

    			eft.remove(atts[i].getName());

    			efad = eft.add(new_name, atts[i].getType(), atts[i].getSize());

    			efad.setPrecision(atts[i].getPrecision());

    		}

    	}

	}

	/**

        FeatureType src_ft, FeatureType target_ft,

        FeatureAttributeDescriptor[] atts = src_ft.getAttributeDescriptors();

        String orig_name = null;

        String dbf_name = null;

                	orig_name = atts[i].getName();

                	dbf_name = origNameToDbfName.get(orig_name);

                	if (dbf_name == null) {

                		dbf_name = orig_name; 

                	}

                    val = feat.get(orig_name);

                        edit_f.set(dbf_name, val);

            selectFileOptionPanel, featureStore, projection);

exportto_preferences_panel_description=Marque los formatos de exportaci?n a que quiera activar o desactivar

_Some_field_names_too_long_automatically_changed=Los nombre de algunos campos eran demasiado largos y se han cambiado

exportto_preferences_panel_description=Enable or disable "export to" formats

_Some_field_names_too_long_automatically_changed=Some field names were too long and were automatically changed