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import java.io.File;
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import java.io.FileFilter;
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import java.io.FilenameFilter;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Set;
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import org.gvsig.tools.observer.impl.BaseWeakReferencingObservable;
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import org.gvsig.tools.util.FolderSet;
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public class DefaultFolderSet extends BaseWeakReferencingObservable implements FolderSet {
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public class DefaultFolderSet extends BaseWeakReferencingObservable implements
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FolderSet {
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public class DefaultFolderEntry implements FolderEntry {
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File folder;
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File folder;
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String label;
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DefaultFolderEntry(File folder, String label) {
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this.folder = folder;
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this.label = label;
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}
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public boolean equals(Object obj) {
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return this.folder.equals(((FolderEntry)obj).getFolder());
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return this.folder.equals(((FolderEntry) obj).getFolder());
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}
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public int hashCode() {
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return this.folder.hashCode();
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}
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public File getFolder() {
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return this.folder;
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}
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public String getLabel() {
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return this.label;
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}
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}
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private Set folders = null;
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private File defaultFolder = null;
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public DefaultFolderSet() {
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folders = new HashSet();
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folders = new LinkedHashSet();
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}
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public void add(File folder) {
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this.add(folder, null);
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}
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public void add(File folder, String description) {
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if( folder == null ) {
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if (folder == null) {
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return;
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}
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if( folder.exists() && !folder.isDirectory() ) {
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if (folder.exists() && !folder.isDirectory()) {
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throw new IllegalArgumentException("folder required");
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}
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this.folders.add(new DefaultFolderEntry(folder, description));
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this.notifyObservers();
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if( this.defaultFolder == null ) {
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this.defaultFolder = folder;
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}
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this.notifyObservers();
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}
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public void clear() {
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this.folders.clear();
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this.defaultFolder = null;
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this.notifyObservers();
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}
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public void remove(File folder) {
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this.folders.remove(new DefaultFolderEntry(folder,null));
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this.notifyObservers();
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if (folder != null) {
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this.folders.remove(new DefaultFolderEntry(folder, null));
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if (folder.equals(this.defaultFolder)) {
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this.defaultFolder = null;
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}
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this.notifyObservers();
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}
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}
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public void set(File folder) {
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this.beginComplexNotification();
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this.clear();
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this.add(folder);
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this.setDefaultFolder(folder);
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this.endComplexNotification();
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}
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public File[] listFiles() {
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List entries = new ArrayList();
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Iterator it = this.folders.iterator();
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while( it.hasNext() ) {
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while (it.hasNext()) {
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FolderEntry folderEntry = (FolderEntry) it.next();
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File[] files = folderEntry.getFolder().listFiles();
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entries.addAll( Arrays.asList(files));
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entries.addAll(Arrays.asList(files));
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}
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return (File[]) entries.toArray();
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return (File[]) entries.toArray();
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}
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public File[] listFiles(FileFilter filter) {
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List entries = new ArrayList();
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Iterator it = this.folders.iterator();
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while( it.hasNext() ) {
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while (it.hasNext()) {
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FolderEntry folderEntry = (FolderEntry) it.next();
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File[] files = folderEntry.getFolder().listFiles(filter);
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entries.addAll( Arrays.asList(files));
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entries.addAll(Arrays.asList(files));
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}
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return (File[]) entries.toArray();
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return (File[]) entries.toArray();
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}
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public File[] listFiles(FilenameFilter filter) {
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List entries = new ArrayList();
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Iterator it = this.folders.iterator();
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while( it.hasNext() ) {
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while (it.hasNext()) {
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FolderEntry folderEntry = (FolderEntry) it.next();
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File[] files = folderEntry.getFolder().listFiles(filter);
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entries.addAll( Arrays.asList(files));
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entries.addAll(Arrays.asList(files));
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}
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return (File[]) entries.toArray();
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return (File[]) entries.toArray();
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}
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public Iterator iterator() {
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return this.folders.iterator();
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}
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public void setDefaultFolder(File defaultFolder) {
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this.add(defaultFolder);
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this.defaultFolder = defaultFolder;
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}
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public File getDefaultFolder() {
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if( this.defaultFolder == null ) {
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Iterator it = this.folders.iterator();
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if( it.hasNext() ) {
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this.defaultFolder = (File) it.next();
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}
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}
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return this.defaultFolder;
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}
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public File asFile() {
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return getDefaultFolder();
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}
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public String[] list() {
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List entries = new ArrayList();
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Iterator it = this.folders.iterator();
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while (it.hasNext()) {
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FolderEntry folderEntry = (FolderEntry) it.next();
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String[] files = folderEntry.getFolder().list();
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entries.addAll(Arrays.asList(files));
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}
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return (String[]) entries.toArray();
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}
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public String[] list(FilenameFilter filter) {
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List entries = new ArrayList();
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Iterator it = this.folders.iterator();
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while (it.hasNext()) {
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FolderEntry folderEntry = (FolderEntry) it.next();
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String[] files = folderEntry.getFolder().list(filter);
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entries.addAll(Arrays.asList(files));
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}
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return (String[]) entries.toArray();
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}
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public boolean isDirectory() {
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return true;
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}
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public boolean isFile() {
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return false;
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}
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public String getName() {
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return this.getDefaultFolder().getName();
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}
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public String getParent() {
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return this.getDefaultFolder().getParent();
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}
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public File getParentFile() {
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return this.getDefaultFolder().getParentFile();
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}
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public String getPath() {
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return this.getDefaultFolder().getPath();
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}
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public File getCanonicalFile() throws IOException {
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return this.getDefaultFolder().getCanonicalFile();
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}
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public String getCanonicalPath() throws IOException {
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return this.getDefaultFolder().getCanonicalPath();
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}
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public boolean canRead() {
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return this.getDefaultFolder().canRead();
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}
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public boolean canWrite() {
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return this.getDefaultFolder().canWrite();
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}
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public boolean exists() {
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return this.getDefaultFolder().exists();
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}
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public File getAbsoluteFile() {
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return this.getDefaultFolder().getAbsoluteFile();
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}
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public String getAbsolutePath() {
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return this.getDefaultFolder().getAbsolutePath();
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}
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}
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