72 lines
2.2 KiB
Java
72 lines
2.2 KiB
Java
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package org.gcube.common.storagehub.client.proxies;
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import java.io.InputStream;
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import java.util.List;
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import javax.ws.rs.client.Invocation;
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import javax.ws.rs.client.WebTarget;
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import javax.ws.rs.core.MediaType;
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import javax.ws.rs.core.Response;
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import org.gcube.common.clients.Call;
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import org.gcube.common.clients.delegates.ProxyDelegate;
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import org.gcube.common.storagehub.client.StreamDescriptor;
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import org.gcube.common.storagehub.model.items.Item;
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import org.gcube.common.storagehub.model.service.ItemList;
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public class DefaultItemManager implements ItemManagerClient {
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private final ProxyDelegate<WebTarget> delegate;
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public DefaultItemManager(ProxyDelegate<WebTarget> config){
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this.delegate = config;
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}
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@Override
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public List<? extends Item> getChildren(String id, String ... excludeNodes) {
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Call<WebTarget, ItemList> call = new Call<WebTarget, ItemList>() {
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@Override
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public ItemList call(WebTarget manager) throws Exception {
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WebTarget myManager = manager.path(id).path("children");
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if (excludeNodes !=null && excludeNodes.length>0)
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myManager = myManager.queryParam("exclude",excludeNodes);
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Invocation.Builder builder = myManager.request(MediaType.APPLICATION_JSON);
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ItemList response = builder.get(ItemList.class);
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return response;
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}
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};
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try {
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ItemList result = delegate.make(call);
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return result.getItemlist();
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}catch(Exception e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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public StreamDescriptor download(String id) {
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Call<WebTarget, StreamDescriptor> call = new Call<WebTarget, StreamDescriptor>() {
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@Override
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public StreamDescriptor call(WebTarget manager) throws Exception {
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WebTarget myManager = manager.path(id).path("download");
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Invocation.Builder builder = myManager.request(MediaType.APPLICATION_OCTET_STREAM);
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Response resp = builder.get();
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InputStream stream = resp.readEntity(InputStream.class);
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String disposition = resp.getHeaderString("Content-Disposition");
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String fileName = disposition.replaceFirst("attachment; filename = ([^/s]+)?", "$1");
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return new StreamDescriptor(stream, fileName);
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}
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};
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try {
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StreamDescriptor result = delegate.make(call);
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return result;
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}catch(Exception e) {
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throw new RuntimeException(e);
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}
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}
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}
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