svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.api / src / main / java / org / gvsig / fmap / dal / AbstractStoresRepository.java @ 44346
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package org.gvsig.fmap.dal; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.tools.util.UnmodifiableBasicSet; |
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import org.gvsig.tools.util.UnmodifiableBasicSetChained; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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*
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* @author jjdelcerro
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*/
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@SuppressWarnings("UseSpecificCatch") |
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public abstract class AbstractStoresRepository implements StoresRepository { |
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protected final Logger LOGGER = LoggerFactory.getLogger(AbstractStoresRepository.class); |
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private final String name; |
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private final String label; |
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private final List<StoresRepository> subrepositories; |
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public AbstractStoresRepository(String name) { |
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this(name, null); |
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} |
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public AbstractStoresRepository(String name, String label) { |
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this.name = name;
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this.label = label;
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this.subrepositories = new ArrayList<>(); |
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} |
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protected abstract DataStoreParameters getMyParameters(String name); |
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protected abstract boolean isEmptyMyRepository(); |
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protected abstract int getMySize(); |
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protected abstract UnmodifiableBasicSet<String> getMyKeySet(); |
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@Override
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public void add(String name, DataStoreParameters parameters) { |
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throw new UnsupportedOperationException(); |
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} |
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@Override
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public void remove(String name) { |
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throw new UnsupportedOperationException(); |
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} |
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@Override
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public boolean contains(DataStoreParameters parameters) { |
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for (DataStoreParameters currentParameters : this) { |
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if( parameters.equals(currentParameters) ) {
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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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@Override
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public String getID() { |
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return this.name; |
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} |
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@Override
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public String getLabel() { |
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if( StringUtils.isBlank(this.label) ) { |
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return this.getID(); |
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} |
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return this.label; |
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} |
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@Override
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public Collection<StoresRepository> getSubrepositories() { |
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return this.subrepositories; |
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} |
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@Override
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public boolean addRepository(StoresRepository repository) { |
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this.removeRepository(repository.getID());
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this.subrepositories.add(repository);
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return true; |
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} |
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@Override
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public boolean removeRepository(String name) { |
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for (int i = 0; i < subrepositories.size(); i++) { |
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StoresRepository repo = subrepositories.get(i); |
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if( StringUtils.equalsIgnoreCase(name, repo.getID()) ) {
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this.subrepositories.remove(i);
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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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@Override
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public DataStoreParameters get(String name) { |
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DataStoreParameters parameters = this.getMyParameters(name);
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if( parameters!=null ) { |
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return parameters;
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} |
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for ( StoresRepository theRepository : this.subrepositories) { |
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parameters = theRepository.get(name); |
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if( parameters!=null ) { |
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return parameters;
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} |
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} |
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return null; |
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} |
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@Override
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public DataStore getStore(String name) { |
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DataStoreParameters parameters = this.getMyParameters(name);
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if( parameters!=null ) { |
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try {
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DataStore store = DALLocator.getDataManager().openStore( |
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parameters.getDataStoreName(), |
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parameters |
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); |
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return store;
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} catch (Exception ex) { |
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throw new RuntimeException("Can't open store '"+name+"'.", ex); |
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} |
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} |
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for ( StoresRepository theRepository : this.subrepositories) { |
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DataStore store = theRepository.getStore(name); |
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if( store!=null ) { |
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return store;
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} |
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} |
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return null; |
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} |
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@Override
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public boolean containsKey(String key) { |
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DataStoreParameters parameters = this.getMyParameters(name);
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if( parameters!=null ) { |
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return true; |
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} |
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for ( StoresRepository theRepository : this.subrepositories) { |
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if( theRepository.containsKey(key) ) {
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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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@Override
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public UnmodifiableBasicSet<String> keySet() { |
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List<UnmodifiableBasicSet<String>> sets = new ArrayList<>(); |
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sets.add(this.getMyKeySet());
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for (StoresRepository theRepository : this.subrepositories) { |
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sets.add(theRepository.keySet()); |
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} |
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if( sets.isEmpty() ) {
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return UnmodifiableBasicSet.EMPTY_UNMODIFIABLEBASICSET;
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} |
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if( sets.size()==1 ) { |
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return sets.get(0); |
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} |
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return new UnmodifiableBasicSetChained( |
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sets.toArray( |
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new UnmodifiableBasicSet[sets.size()]
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) |
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); |
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} |
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@Override
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public Map<String, DataStoreParameters> toMap() { |
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throw new UnsupportedOperationException(); |
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} |
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@Override
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public boolean isEmpty() { |
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if( !this.isEmptyMyRepository() ) { |
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return false; |
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} |
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for ( StoresRepository theRepository : this.subrepositories) { |
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if( !theRepository.isEmpty() ) {
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return false; |
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} |
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} |
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return true; |
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} |
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@Override
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public int size() { |
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int sz = 0; |
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if( !this.isEmptyMyRepository() ) { |
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sz = this.getMySize();
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} |
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for ( StoresRepository theRepository : this.subrepositories) { |
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sz += theRepository.size(); |
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} |
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return sz;
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} |
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@Override
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public Iterator<DataStoreParameters> iterator() { |
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final Iterator<String> it = this.keySet().iterator(); |
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return new Iterator<DataStoreParameters>() { |
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@Override
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public boolean hasNext() { |
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return it.hasNext();
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} |
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@Override
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public DataStoreParameters next() {
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String name = it.next();
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return get(name);
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} |
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}; |
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} |
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} |