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/*
* Copyright (c) 2010, 2019 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.jersey.media.multipart;
import java.text.ParseException;
import java.util.Collections;
import java.util.Date;
import java.util.Map;
import org.glassfish.jersey.message.internal.HttpDateFormat;
import org.glassfish.jersey.message.internal.HttpHeaderReader;
/**
* A content disposition header.
*
* @author Paul Sandoz
* @author [email protected]
* @author Marek Potociar
*/
public class ContentDisposition {
private final CharSequence type;
private final Map parameters;
private String fileName;
private Date creationDate;
private Date modificationDate;
private Date readDate;
private long size;
protected ContentDisposition(final String type, final String fileName, final Date creationDate,
final Date modificationDate, final Date readDate, final long size) {
this.type = type;
this.fileName = fileName;
this.creationDate = creationDate;
this.modificationDate = modificationDate;
this.readDate = readDate;
this.size = size;
this.parameters = Collections.emptyMap();
}
public ContentDisposition(final String header) throws ParseException {
this(header, false);
}
public ContentDisposition(final String header, final boolean fileNameFix) throws ParseException {
this(HttpHeaderReader.newInstance(header), fileNameFix);
}
public ContentDisposition(final HttpHeaderReader reader, final boolean fileNameFix) throws ParseException {
reader.hasNext();
type = reader.nextToken();
final Map paramsOrNull = reader.hasNext()
? HttpHeaderReader.readParameters(reader, fileNameFix)
: null;
parameters = paramsOrNull == null
? Collections.emptyMap()
: Collections.unmodifiableMap(paramsOrNull);
createParameters();
}
/**
* Get the type.
*
* @return the type
*/
public String getType() {
return (type == null) ? null : type.toString();
}
/**
* Get the parameters.
*
* @return the parameters
*/
public Map getParameters() {
return parameters;
}
/**
* Get the filename parameter.
*
* @return the size
*/
public String getFileName() {
return fileName;
}
/**
* Get the creation-date parameter.
*
* @return the creationDate
*/
public Date getCreationDate() {
return creationDate;
}
/**
* Get the modification-date parameter.
*
* @return the modificationDate
*/
public Date getModificationDate() {
return modificationDate;
}
/**
* Get the read-date parameter.
*
* @return the readDate
*/
public Date getReadDate() {
return readDate;
}
/**
* Get the size parameter.
*
* @return the size
*/
public long getSize() {
return size;
}
/**
* Convert the disposition to a "Content-Disposition" header value.
*
* @return the "Content-Disposition" value.
*/
@Override
public String toString() {
return toStringBuffer().toString();
}
protected StringBuilder toStringBuffer() {
final StringBuilder sb = new StringBuilder();
sb.append(type);
addStringParameter(sb, "filename", fileName);
addDateParameter(sb, "creation-date", creationDate);
addDateParameter(sb, "modification-date", modificationDate);
addDateParameter(sb, "read-date", readDate);
addLongParameter(sb, "size", size);
return sb;
}
protected void addStringParameter(final StringBuilder sb, final String name, final String p) {
if (p != null) {
sb.append("; ").append(name).append("=\"").append(p).append("\"");
}
}
protected void addDateParameter(final StringBuilder sb, final String name, final Date p) {
if (p != null) {
sb.append("; ").append(name).append("=\"").append(HttpDateFormat.getPreferredDateFormat().format(p)).append("\"");
}
}
protected void addLongParameter(final StringBuilder sb, final String name, final Long p) {
if (p != -1) {
sb.append("; ").append(name).append('=').append(Long.toString(p));
}
}
private void createParameters() throws ParseException {
fileName = parameters.get("filename");
creationDate = createDate("creation-date");
modificationDate = createDate("modification-date");
readDate = createDate("read-date");
size = createLong("size");
}
private Date createDate(final String name) throws ParseException {
final String value = parameters.get(name);
if (value == null) {
return null;
}
return HttpDateFormat.getPreferredDateFormat().parse(value);
}
private long createLong(final String name) throws ParseException {
final String value = parameters.get(name);
if (value == null) {
return -1;
}
try {
return Long.parseLong(value);
} catch (final NumberFormatException e) {
throw new ParseException("Error parsing size parameter of value, " + value, 0);
}
}
/**
* Start building content disposition.
*
* @param type the disposition type.
* @return the content disposition builder.
*/
public static ContentDispositionBuilder type(final String type) {
return new ContentDispositionBuilder(type);
}
/**
* Builder to build content disposition.
*
* @param the builder type.
* @param the content disposition type.
*/
public static class ContentDispositionBuilder {
protected String type;
protected String fileName;
protected Date creationDate;
protected Date modificationDate;
protected Date readDate;
protected long size = -1;
ContentDispositionBuilder(final String type) {
this.type = type;
}
/**
* Add the "file-name" parameter.
*
* @param fileName the "file-name" parameter. If null the value
* is removed
* @return this builder.
*/
@SuppressWarnings("unchecked")
public T fileName(final String fileName) {
this.fileName = fileName;
return (T) this;
}
/**
* Add the "creation-date" parameter.
*
* @param creationDate the "creation-date" parameter. If null the value
* is removed
* @return this builder.
*/
@SuppressWarnings("unchecked")
public T creationDate(final Date creationDate) {
this.creationDate = creationDate;
return (T) this;
}
/**
* Add the "modification-date" parameter.
*
* @param modificationDate the "modification-date" parameter. If null the value
* is removed
* @return this builder.
*/
@SuppressWarnings("unchecked")
public T modificationDate(final Date modificationDate) {
this.modificationDate = modificationDate;
return (T) this;
}
/**
* Add the "read-date" parameter.
*
* @param readDate the "read-date" parameter. If null the value
* is removed
* @return this builder.
*/
@SuppressWarnings("unchecked")
public T readDate(final Date readDate) {
this.readDate = readDate;
return (T) this;
}
/**
* Add the "size" parameter.
*
* @param size the "size" parameter. If -1 the value is removed.
* @return this builder.
*/
@SuppressWarnings("unchecked")
public T size(final long size) {
this.size = size;
return (T) this;
}
/**
* Build the content disposition.
*
* @return the content disposition.
*/
@SuppressWarnings("unchecked")
public V build() {
final ContentDisposition cd = new ContentDisposition(type, fileName, creationDate, modificationDate, readDate, size);
return (V) cd;
}
}
}
