/* See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* Esri Inc. licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.esri.gpt.control.webharvest.client.arcims;
import com.esri.gpt.framework.resource.api.Resource;
import com.esri.gpt.framework.resource.api.SourceUri;
import com.esri.gpt.framework.resource.common.CommonPublishable;
import com.esri.gpt.framework.util.ReadOnlyIterator;
import java.io.IOException;
import java.util.Collection;
import java.util.Iterator;
/**
* ArcIMS records adapter.
*/
class ArcImsRecordsAdapter implements Iterable<Resource> {
/** service proxy */
private ArcImsProxy proxy;
/** collection of record source URI's */
private Collection<SourceUri> records;
/**
* Creates instance of the adapter.
* @param proxy service proxy.
* @param records collection of records source URI's
*/
public ArcImsRecordsAdapter(ArcImsProxy proxy, Collection<SourceUri> records) {
if (proxy == null) throw new IllegalArgumentException("No proxy provided.");
this.proxy = proxy;
this.records = records;
}
public Iterator<Resource> iterator() {
return new ArcImsRecordsIterator();
}
/**
* ArcIMS records iterator.
*/
private class ArcImsRecordsIterator extends ReadOnlyIterator<Resource> {
/** iterator */
private Iterator<SourceUri> iterator = records.iterator();
public boolean hasNext() {
return iterator.hasNext();
}
public Resource next() {
return new CommonPublishable() {
private SourceUri uri = iterator.next();
public SourceUri getSourceUri() {
return uri;
}
public String getContent() throws IOException {
return proxy.read(uri.asString());
}
};
}
}
}