107 lines
2.9 KiB
Java
107 lines
2.9 KiB
Java
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership.
|
|
* The ASF 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 org.apache.catalina.webresources;
|
|
|
|
import java.io.InputStream;
|
|
|
|
import org.apache.catalina.WebResource;
|
|
import org.apache.catalina.WebResourceRoot;
|
|
import org.apache.juli.logging.Log;
|
|
import org.apache.tomcat.util.http.FastHttpDateFormat;
|
|
import org.apache.tomcat.util.res.StringManager;
|
|
|
|
public abstract class AbstractResource implements WebResource {
|
|
|
|
protected static final StringManager sm = StringManager.getManager(AbstractResource.class);
|
|
|
|
private final WebResourceRoot root;
|
|
private final String webAppPath;
|
|
|
|
private String mimeType = null;
|
|
private volatile String weakETag;
|
|
|
|
|
|
protected AbstractResource(WebResourceRoot root, String webAppPath) {
|
|
this.root = root;
|
|
this.webAppPath = webAppPath;
|
|
}
|
|
|
|
|
|
@Override
|
|
public final WebResourceRoot getWebResourceRoot() {
|
|
return root;
|
|
}
|
|
|
|
|
|
@Override
|
|
public final String getWebappPath() {
|
|
return webAppPath;
|
|
}
|
|
|
|
|
|
@Override
|
|
public final String getLastModifiedHttp() {
|
|
return FastHttpDateFormat.formatDate(getLastModified());
|
|
}
|
|
|
|
|
|
@Override
|
|
public final String getETag() {
|
|
if (weakETag == null) {
|
|
synchronized (this) {
|
|
if (weakETag == null) {
|
|
long contentLength = getContentLength();
|
|
long lastModified = getLastModified();
|
|
if ((contentLength >= 0) || (lastModified >= 0)) {
|
|
weakETag = "W/\"" + contentLength + "-" +
|
|
lastModified + "\"";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return weakETag;
|
|
}
|
|
|
|
@Override
|
|
public final void setMimeType(String mimeType) {
|
|
this.mimeType = mimeType;
|
|
}
|
|
|
|
|
|
@Override
|
|
public final String getMimeType() {
|
|
return mimeType;
|
|
}
|
|
|
|
|
|
@Override
|
|
public final InputStream getInputStream() {
|
|
InputStream is = doGetInputStream();
|
|
|
|
if (is == null || !root.getTrackLockedFiles()) {
|
|
return is;
|
|
}
|
|
|
|
return new TrackedInputStream(root, getName(), is);
|
|
}
|
|
|
|
protected abstract InputStream doGetInputStream();
|
|
|
|
|
|
protected abstract Log getLog();
|
|
}
|