/* 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.waf;
import com.esri.gpt.framework.resource.api.SourceUri;
import com.esri.gpt.framework.resource.common.CommonPublishable;
import com.esri.gpt.framework.resource.common.UrlUri;
import com.esri.gpt.framework.util.Val;
import java.io.IOException;
import java.util.Date;
import org.apache.commons.httpclient.URIException;
import org.apache.commons.httpclient.util.URIUtil;
/**
* WAF file.
*/
class WafFile extends CommonPublishable {
private UrlUri uri;
private WafProxy proxy;
private WafProxy.Content content;
private IOException storedException;
private String encodedUrl;
public WafFile(WafProxy proxy, String url) {
this.proxy = proxy;
this.uri = new UrlUri(url);
this.encodedUrl = encode(url);
}
@Override
public SourceUri getSourceUri() {
return uri;
}
@Override
public String getContent() throws IOException {
// rethrow stored exception which occured during getUpdateDate()
if (storedException!=null) {
throw storedException;
}
if (content==null) {
content = proxy.readContent(encodedUrl);
}
String metadata = "";
if (content!=null) {
metadata = Val.chkStr(content.getText());
content = null;
}
return metadata;
}
@Override
public Date getUpdateDate() {
try {
if (content==null) {
content = proxy.readContent(encodedUrl);
}
} catch (IOException ex) {
// store that exception here because getUpdateDate can not throw any exception by interface
// instead getContent() would rethrow this exception
storedException = ex;
}
return content!=null? content.getLastModifedDate(): null;
}
private String encode(String url) {
url = Val.chkStr(url);
try {
return URIUtil.encodePathQuery(URIUtil.decode(url, "UTF-8"), "UTF-8");
} catch (URIException ex) {
return url;
}
}
}