svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_dalfile / src / org / gvsig / fmap / dal / serverexplorer / filesystem / impl / DefaultFilesystemServerExplorer.java @ 36113
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package org.gvsig.fmap.dal.serverexplorer.filesystem.impl; |
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import java.io.File; |
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import java.util.ArrayList; |
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import java.util.HashSet; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Set; |
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import org.gvsig.fmap.dal.DALFileLocator; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataServerExplorerParameters; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.DataStoreParameters; |
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import org.gvsig.fmap.dal.NewDataStoreParameters; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.FileNotFoundException; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException; |
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import org.gvsig.fmap.dal.exception.RemoveException; |
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import org.gvsig.fmap.dal.exception.ServerExplorerAddException; |
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemFileFilter; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorer; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorerParameters; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemStoreParameters; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerProvider; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerProviderServices; |
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import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
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import org.gvsig.fmap.dal.spi.DataServerExplorerProviderServices; |
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import org.gvsig.tools.dispose.impl.AbstractDisposable; |
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import org.gvsig.tools.exception.BaseException; |
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import org.gvsig.tools.extensionpoint.ExtensionPoint.Extension; |
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@SuppressWarnings({"unchecked"}) |
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public class DefaultFilesystemServerExplorer extends AbstractDisposable |
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implements FilesystemServerExplorerProviderServices,
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FilesystemFileFilter {
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FilesystemServerExplorerParameters parameters; |
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private File root; |
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private File current; // Current path |
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private DataServerExplorerProviderServices providerServices;
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private List serverProviders; |
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public DefaultFilesystemServerExplorer(
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FilesystemServerExplorerParameters parameters, |
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DataServerExplorerProviderServices services) |
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throws InitializeException {
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this.parameters = parameters;
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this.providerServices = services;
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if (this.parameters.getRoot() != null) { |
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this.root = new File(this.parameters.getRoot()); |
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} |
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if (this.parameters.getInitialpath() != null) { |
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this.current = new File(this.parameters.getInitialpath()); |
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} |
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if (this.root == null && this.current == null) { |
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// throw new InitializeException(this.getName(),
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// new IllegalArgumentException());
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} else if (this.current == null) { |
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this.current = new File(this.parameters.getRoot()); |
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} |
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} |
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public DataServerExplorerParameters getParameters() {
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return parameters;
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} |
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protected void doDispose() throws BaseException { |
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this.parameters = null; |
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this.root = null; |
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} |
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public List list(int mode) throws DataException { |
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if (this.current == null) { |
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throw new IllegalStateException(); |
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} |
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if (!this.current.exists()) { |
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new org.gvsig.fmap.dal.exception.FileNotFoundException(this.current); |
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} |
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if (!this.current.isDirectory()) { |
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new IllegalArgumentException(this.getProviderName() |
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+ ": Path not a directory '" + this.current + "'"); |
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} |
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List files = new ArrayList(); // return files |
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List providers = this.getProviders(mode); |
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String allfiles[] = this.current.list(); |
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for (int i = 0; i < allfiles.length; i++) { |
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File file = new File(this.root, allfiles[i]); |
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Iterator providersit = providers.iterator();
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while (providersit.hasNext()) {
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FilesystemServerExplorerProvider provider = (FilesystemServerExplorerProvider) providersit |
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.next(); |
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if( provider.accept(file)) {
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DataStoreParameters dsp = this.createStoreParameters(file);
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if (dsp != null) { |
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files.add(dsp); |
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} |
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break;
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} |
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} |
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} |
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return files;
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} |
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public List list() throws DataException { |
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if (this.current == null) { |
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throw new IllegalStateException(); // FIXME |
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} |
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if (!this.current.exists()) { |
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// TODO crear excepcion de Data??
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new org.gvsig.fmap.dal.exception.FileNotFoundException(this.current); |
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} |
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if (!this.current.isDirectory()) { |
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new IllegalArgumentException(this.getProviderName() |
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+ ": Path not a directory '" + this.current + "'"); |
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} |
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String files[] = this.current.list(); |
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int i;
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File theFile;
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ArrayList list = new ArrayList(); |
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DataStoreParameters dsp = null;
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for (i = 0; i < files.length; i++) { |
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theFile = new File(this.root, files[i]); |
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dsp = this.createStoreParameters(theFile);
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if (dsp != null) { |
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list.add(dsp); |
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} |
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} |
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return list;
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} |
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public void setCurrentPath(File path) throws FileNotFoundException { |
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// FIXME Comprobar si es un directorio existente
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if (!path.exists()) {
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throw new FileNotFoundException(path); |
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} |
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if (!path.isDirectory()) {
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throw new IllegalArgumentException(path.getPath() |
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+ " is not a directory");
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} |
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if (!isFromRoot(path)) {
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throw new IllegalArgumentException(path.getPath() |
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+ " is not from root");
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} |
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this.current = path;
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} |
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public File getCurrentPath() { |
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return this.current; |
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} |
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public File getRoot() { |
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return this.root; |
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} |
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public void remove(DataStoreParameters dsp) throws RemoveException { |
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String providerName = dsp.getDataStoreName();
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try {
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this.checkIsMine(dsp);
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FilesystemServerExplorerProvider provider = this
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.getProvider(providerName); |
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provider.remove(dsp); |
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} catch (DataException e) {
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throw new RemoveException(this.getProviderName(), e); |
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} |
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} |
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public boolean add(String providerName, NewDataStoreParameters ndsp, |
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boolean overwrite) throws DataException { |
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try {
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this.checkIsMine(ndsp);
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FilesystemServerExplorerProvider provider = this
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.getProvider(providerName); |
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ndsp.validate(); |
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provider.create(ndsp, overwrite); |
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return true; |
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} catch (DataException e) {
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throw new ServerExplorerAddException(this.getProviderName(), e); |
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} catch (ValidateDataParametersException e) {
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throw new ServerExplorerAddException(this.getProviderName(), e); |
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} |
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} |
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public boolean canAdd() { |
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return this.root.canWrite(); |
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} |
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public String getProviderName() { |
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return FilesystemServerExplorer.NAME;
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} |
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public NewDataStoreParameters getAddParameters(String storeName) |
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throws DataException {
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FilesystemServerExplorerProvider provider = this.getProvider(storeName);
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if (provider == null) { |
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throw new IllegalArgumentException( |
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"Not registered in this explorer"); // FIXME |
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} |
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NewDataStoreParameters nParams = provider.getCreateParameters(); |
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// nParams.setAttribute("path", this.getCurrentPath().getPath());
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return nParams;
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} |
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public boolean canAdd(String storeName) throws DataException { |
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if (storeName == null) { |
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return false;// CanAdd with genericFilter |
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} |
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FilesystemServerExplorerProvider provider = this.getProvider(storeName);
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if (provider == null) { |
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throw new IllegalArgumentException( |
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"Not registered in this explorer"); // FIXME |
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} |
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return provider.canCreate();
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} |
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// ==========================================
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private FilesystemServerExplorerProvider getProvider(String storeName) |
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throws InitializeException, ProviderNotRegisteredException {
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Iterator providers = getProviders(FilesystemServerExplorer.MODE_ALL).iterator();
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FilesystemServerExplorerProvider provider; |
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while (providers.hasNext()) {
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provider = (FilesystemServerExplorerProvider) providers.next(); |
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if (provider.getDataStoreProviderName().equals(storeName)) {
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return provider;
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} |
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} |
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return null; |
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} |
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private DataManagerProviderServices getManager() {
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return (DataManagerProviderServices) DALLocator.getDataManager();
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} |
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public DataStoreParameters createStoreParameters(File file, String providerName) throws DataException { |
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return this.getParametersFor(file, providerName, true); |
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} |
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public DataStoreParameters createStoreParameters(File file) throws DataException { |
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return this.getParametersFor(file, null, true); |
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} |
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public DataStoreParameters getParametersFor(File file, String providerName, boolean checksExist) throws DataException { |
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if (checksExist) {
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if (!file.exists()) {
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return null; |
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} |
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if (!file.isFile()) {
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return null; |
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} |
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if (!file.canRead()) {
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return null; |
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} |
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if (file.isHidden()) { // XXX ??? |
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return null; |
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} |
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} |
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if(providerName == null) |
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providerName = this.getProviderName(file);
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if (providerName != null) { |
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DataStoreParameters params = this.getManager()
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.createStoreParameters(providerName); |
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((FilesystemStoreParameters) params).setFile(file); |
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return params;
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} |
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return null; |
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} |
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public ArrayList<String> getProviderNameList(File file) { |
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Iterator filters = getFilters();
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ArrayList<String> list = new ArrayList<String>(); |
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while (filters.hasNext()) {
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FilesystemFileFilter filter = (FilesystemFileFilter) filters.next(); |
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if (filter.accept(file)) {
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list.add(filter.getDataStoreProviderName()); |
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} |
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} |
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return list;
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} |
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public String getProviderName(File file) { |
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Iterator filters = getFilters();
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while (filters.hasNext()) {
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FilesystemFileFilter filter = (FilesystemFileFilter) filters.next(); |
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if (filter.accept(file)) {
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return filter.getDataStoreProviderName();
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} |
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} |
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return null; |
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} |
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public List getDataStoreProviderNames() { |
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Set names = new HashSet(); |
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Iterator filters = getFilters();
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while (filters.hasNext()) {
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FilesystemFileFilter filter = (FilesystemFileFilter) filters.next(); |
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names.add(filter.getDataStoreProviderName()); |
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} |
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return new ArrayList(names); |
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} |
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private void checkIsMine(DataStoreParameters dsp) |
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throws IllegalArgumentException, DataException { |
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// FIXME Exception ???
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if (!(dsp instanceof FilesystemStoreParameters)) { |
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new IllegalArgumentException( |
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"not instance of FilesystemStoreParameters");
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} |
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Iterator filters = getFilters();
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File file = ((FilesystemStoreParameters) dsp).getFile();
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if (!this.isFromRoot(file)) { |
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throw new IllegalArgumentException("worng explorer"); |
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} |
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FilesystemFileFilter filter; |
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while (filters.hasNext()) {
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filter = (FilesystemFileFilter) filters.next(); |
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if (dsp.getDataStoreName()
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.equals(filter.getDataStoreProviderName())) {
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return;
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} |
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} |
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throw new IllegalArgumentException("worng explorer"); |
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} |
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private boolean isFromRoot(File file) { |
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if (this.root == null) { |
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return true; |
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} |
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return file.getAbsolutePath().startsWith(this.root.getAbsolutePath()); |
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} |
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public List getProviders() { |
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if (this.serverProviders == null) { |
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Iterator iter = DALFileLocator.getFilesystemServerExplorerManager()
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.getRegisteredProviders(); |
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this.serverProviders = new ArrayList(); |
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Extension ext; |
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FilesystemServerExplorerProvider provider; |
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while (iter.hasNext()) {
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ext = (Extension) iter.next(); |
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try {
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provider = (FilesystemServerExplorerProvider) ext.create(); |
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} catch (Exception e) { |
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throw new RuntimeException(e);// FIXME !!! |
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} |
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provider.initialize(this);
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this.serverProviders.add(provider);
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} |
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} |
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return this.serverProviders; |
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} |
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public List getProviders(int mode) { |
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Iterator iter = DALFileLocator.getFilesystemServerExplorerManager()
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.getRegisteredProviders(); |
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List providers = new ArrayList(); |
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Extension ext; |
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FilesystemServerExplorerProvider provider; |
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while (iter.hasNext()) {
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ext = (Extension) iter.next(); |
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try {
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provider = (FilesystemServerExplorerProvider) ext.create(); |
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} catch (Exception e) { |
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throw new RuntimeException(e);// FIXME !!! |
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} |
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if (provider.isMode(mode)) {
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provider.initialize(this);
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providers.add(provider); |
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} |
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} |
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return providers;
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} |
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public Iterator getFilters(int mode) { |
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return this.getProviders(mode).iterator(); |
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} |
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public Iterator getFilters() { |
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return this.getProviders().iterator(); |
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} |
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public FilesystemFileFilter getFilter(int mode, final String description ) { |
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final List filters = new ArrayList(); |
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Iterator it = this.getFilters(mode); |
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while( it.hasNext() ) {
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filters.add( it.next() ); |
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} |
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FilesystemFileFilter filter = new FilesystemFileFilter() {
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public boolean accept(File f) { |
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if (f.isDirectory()) {
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return true; |
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} |
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for(int i=0; i<filters.size(); i++) { |
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if( ((FilesystemFileFilter)filters.get(i)).accept(f) ) {
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return true; |
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} |
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} |
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return false; |
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} |
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public String getDescription() { |
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return description;
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} |
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public String getDataStoreProviderName() { |
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return null; |
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} |
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}; |
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return filter;
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} |
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public FilesystemFileFilter getGenericFilter() {
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// FIXME: Este metodo, getGenericFilter, no tengo claro que deba existir (jjdc)
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return this; |
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} |
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public String getDataStoreProviderName() { |
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return null; |
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} |
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public String getDescription() { |
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return "All supporteds"; |
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} |
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public boolean accept(File pathname) { |
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try {
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return this.createStoreParameters(pathname) != null; |
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} catch (DataException e) {
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throw new RuntimeException(e); // FIXME excpetion?? |
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} |
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} |
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public DataServerExplorerProviderServices getServerExplorerProviderServices() {
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return this.providerServices; |
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} |
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public DataStore open(File file) throws DataException, |
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ValidateDataParametersException {
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DataManager manager = DALLocator.getDataManager(); |
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String providerName = this.getProviderName(file); |
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DataStoreParameters params = this.getAddParameters(file);
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return manager.openStore(providerName, params);
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} |
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public NewDataStoreParameters getAddParameters(File file) |
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throws DataException {
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DataStoreParameters params = this.getParametersFor(file, null, false); |
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NewDataStoreParameters newParams = this.getAddParameters(params
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.getDataStoreName()); |
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((FilesystemStoreParameters) newParams) |
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.setFile(((FilesystemStoreParameters) params).getFile()); |
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return newParams;
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} |
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public File getResourcePath(DataStore dataStore, String resourceName) throws DataException { |
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FilesystemServerExplorerProvider provider = |
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this.getProvider(dataStore.getName());
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if (provider == null){ |
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return null; |
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} |
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String rootPath = provider.getResourceRootPathName(dataStore);
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if (rootPath == null){ |
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return null; |
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} |
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return new File(rootPath + "." + resourceName); |
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} |
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} |