| /**************************************************************** |
| * 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.james.mime4j.field; |
| |
| import java.io.StringReader; |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| |
| import org.apache.james.mime4j.codec.DecodeMonitor; |
| import org.apache.james.mime4j.dom.FieldParser; |
| import org.apache.james.mime4j.dom.field.ContentDispositionField; |
| import org.apache.james.mime4j.field.contentdisposition.parser.ContentDispositionParser; |
| import org.apache.james.mime4j.field.contentdisposition.parser.ParseException; |
| import org.apache.james.mime4j.field.contentdisposition.parser.TokenMgrError; |
| import org.apache.james.mime4j.field.datetime.parser.DateTimeParser; |
| import org.apache.james.mime4j.stream.Field; |
| |
| /** |
| * Represents a <code>Content-Disposition</code> field. |
| */ |
| public class ContentDispositionFieldImpl extends AbstractField implements ContentDispositionField { |
| |
| private boolean parsed = false; |
| |
| private String dispositionType = ""; |
| private final Map<String, String> parameters = new HashMap<String, String>(); |
| private ParseException parseException; |
| |
| private boolean creationDateParsed; |
| private Date creationDate; |
| |
| private boolean modificationDateParsed; |
| private Date modificationDate; |
| |
| private boolean readDateParsed; |
| private Date readDate; |
| |
| ContentDispositionFieldImpl(Field rawField, DecodeMonitor monitor) { |
| super(rawField, monitor); |
| } |
| |
| /** |
| * Gets the exception that was raised during parsing of the field value, if |
| * any; otherwise, null. |
| */ |
| @Override |
| public ParseException getParseException() { |
| if (!parsed) |
| parse(); |
| |
| return parseException; |
| } |
| |
| /** |
| * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getDispositionType() |
| */ |
| public String getDispositionType() { |
| if (!parsed) |
| parse(); |
| |
| return dispositionType; |
| } |
| |
| /** |
| * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getParameter(java.lang.String) |
| */ |
| public String getParameter(String name) { |
| if (!parsed) |
| parse(); |
| |
| return parameters.get(name.toLowerCase()); |
| } |
| |
| /** |
| * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getParameters() |
| */ |
| public Map<String, String> getParameters() { |
| if (!parsed) |
| parse(); |
| |
| return Collections.unmodifiableMap(parameters); |
| } |
| |
| /** |
| * @see org.apache.james.mime4j.dom.field.ContentDispositionField#isDispositionType(java.lang.String) |
| */ |
| public boolean isDispositionType(String dispositionType) { |
| if (!parsed) |
| parse(); |
| |
| return this.dispositionType.equalsIgnoreCase(dispositionType); |
| } |
| |
| /** |
| * @see org.apache.james.mime4j.dom.field.ContentDispositionField#isInline() |
| */ |
| public boolean isInline() { |
| if (!parsed) |
| parse(); |
| |
| return dispositionType.equals(DISPOSITION_TYPE_INLINE); |
| } |
| |
| /** |
| * @see org.apache.james.mime4j.dom.field.ContentDispositionField#isAttachment() |
| */ |
| public boolean isAttachment() { |
| if (!parsed) |
| parse(); |
| |
| return dispositionType.equals(DISPOSITION_TYPE_ATTACHMENT); |
| } |
| |
| /** |
| * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getFilename() |
| */ |
| public String getFilename() { |
| return getParameter(PARAM_FILENAME); |
| } |
| |
| /** |
| * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getCreationDate() |
| */ |
| public Date getCreationDate() { |
| if (!creationDateParsed) { |
| creationDate = parseDate(PARAM_CREATION_DATE); |
| creationDateParsed = true; |
| } |
| |
| return creationDate; |
| } |
| |
| /** |
| * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getModificationDate() |
| */ |
| public Date getModificationDate() { |
| if (!modificationDateParsed) { |
| modificationDate = parseDate(PARAM_MODIFICATION_DATE); |
| modificationDateParsed = true; |
| } |
| |
| return modificationDate; |
| } |
| |
| /** |
| * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getReadDate() |
| */ |
| public Date getReadDate() { |
| if (!readDateParsed) { |
| readDate = parseDate(PARAM_READ_DATE); |
| readDateParsed = true; |
| } |
| |
| return readDate; |
| } |
| |
| /** |
| * @see org.apache.james.mime4j.dom.field.ContentDispositionField#getSize() |
| */ |
| public long getSize() { |
| String value = getParameter(PARAM_SIZE); |
| if (value == null) |
| return -1; |
| |
| try { |
| long size = Long.parseLong(value); |
| return size < 0 ? -1 : size; |
| } catch (NumberFormatException e) { |
| return -1; |
| } |
| } |
| |
| private Date parseDate(String paramName) { |
| String value = getParameter(paramName); |
| if (value == null) { |
| monitor.warn("Parsing " + paramName + " null", "returning null"); |
| return null; |
| } |
| |
| try { |
| return new DateTimeParser(new StringReader(value)).parseAll() |
| .getDate(); |
| } catch (org.apache.james.mime4j.field.datetime.parser.ParseException e) { |
| if (monitor.isListening()) { |
| monitor.warn(paramName + " parameter is invalid: " + value, |
| paramName + " parameter is ignored"); |
| } |
| return null; |
| } catch (TokenMgrError e) { |
| monitor.warn(paramName + " parameter is invalid: " + value, |
| paramName + "parameter is ignored"); |
| return null; |
| } |
| } |
| |
| private void parse() { |
| String body = getBody(); |
| |
| ContentDispositionParser parser = new ContentDispositionParser( |
| new StringReader(body)); |
| try { |
| parser.parseAll(); |
| } catch (ParseException e) { |
| parseException = e; |
| } catch (TokenMgrError e) { |
| parseException = new ParseException(e.getMessage()); |
| } |
| |
| final String dispositionType = parser.getDispositionType(); |
| |
| if (dispositionType != null) { |
| this.dispositionType = dispositionType.toLowerCase(Locale.US); |
| |
| List<String> paramNames = parser.getParamNames(); |
| List<String> paramValues = parser.getParamValues(); |
| |
| if (paramNames != null && paramValues != null) { |
| final int len = Math.min(paramNames.size(), paramValues.size()); |
| for (int i = 0; i < len; i++) { |
| String paramName = paramNames.get(i).toLowerCase(Locale.US); |
| String paramValue = paramValues.get(i); |
| parameters.put(paramName, paramValue); |
| } |
| } |
| } |
| |
| parsed = true; |
| } |
| |
| public static final FieldParser<ContentDispositionField> PARSER = new FieldParser<ContentDispositionField>() { |
| |
| public ContentDispositionField parse(final Field rawField, final DecodeMonitor monitor) { |
| return new ContentDispositionFieldImpl(rawField, monitor); |
| } |
| |
| }; |
| } |