| /* |
| * 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.flex.ant.tags.filesetClasses |
| { |
| import flash.filesystem.FileStream; |
| import org.apache.flex.ant.tags.filesetClasses.exceptions.UnsupportedOperationException; |
| |
| /** |
| * Ported from org.apache.tools.ant.types.Resource.java on 12/3/13. |
| * Describes a "File-like" resource (File, ZipEntry, etc.). |
| * |
| * This class is meant to be used by classes needing to record path |
| * and date/time information about a file, a zip entry or some similar |
| * resource (URL, archive in a version control repository, ...). |
| * |
| * @since Ant 1.5.2 |
| * @see org.apache.tools.ant.types.resources.Touchable |
| */ |
| public class Resource extends DataType |
| { |
| |
| /** Constant unknown size */ |
| public static const UNKNOWN_SIZE:int = -1; |
| |
| /** Constant unknown datetime for getLastModified */ |
| public static const UNKNOWN_DATETIME:int = 0; |
| |
| private var name:String; |
| private var exists:Boolean = true; |
| private var lastmodified:Number; |
| private var directory:Boolean; |
| private var _size:int; |
| private var nameSet:Boolean; |
| private var existsSet:Boolean; |
| private var lastmodifiedSet:Boolean; |
| private var directorySet:Boolean; |
| private var sizeSet:Boolean; |
| |
| |
| /** |
| * Sets the name, lastmodified flag, exists flag, directory flag, and size. |
| * |
| * @param name relative path of the resource. Expects |
| * "/" to be used as the directory separator. |
| * @param exists if true the resource exists |
| * @param lastmodified the last modification time of the resource |
| * @param directory if true, this resource is a directory |
| * @param size the size of this resource. |
| */ |
| public function Resource(name:String, exists:Boolean = false, lastmodified:Number = NaN, |
| directory:Boolean = false, size:int = UNKNOWN_SIZE) { |
| this.name = name; |
| setName(name); |
| setExists(exists); |
| setLastModified(lastmodified); |
| setDirectory(directory); |
| setSize(size); |
| } |
| |
| /** |
| * Name attribute will contain the path of a file relative to the |
| * root directory of its fileset or the recorded path of a zip |
| * entry. |
| * |
| * <p>example for a file with fullpath /var/opt/adm/resource.txt |
| * in a file set with root dir /var/opt it will be |
| * adm/resource.txt.</p> |
| * |
| * <p>"/" will be used as the directory separator.</p> |
| * @return the name of this resource. |
| */ |
| public function getName():String |
| { |
| return isReference() ? Resource(getCheckedRef()).getName() : name; |
| } |
| |
| /** |
| * Set the name of this Resource. |
| * @param name relative path of the resource. Expects |
| * "/" to be used as the directory separator. |
| */ |
| public function setName(name:String):void |
| { |
| checkAttributesAllowed(); |
| this.name = name; |
| nameSet = true; |
| } |
| |
| /** |
| * The exists attribute tells whether a resource exists. |
| * @return true if this resource exists. |
| */ |
| public function isExists():Boolean |
| { |
| if (isReference()) { |
| return Resource(getCheckedRef()).isExists(); |
| } |
| //default true: |
| return exists; |
| } |
| |
| /** |
| * Set the exists attribute. |
| * @param exists if true, this resource exists. |
| */ |
| public function setExists(exists:Boolean):void |
| { |
| checkAttributesAllowed(); |
| this.exists = exists; |
| existsSet = true; |
| } |
| |
| /** |
| * Tells the modification time in milliseconds since 01.01.1970 (the "epoch"). |
| * |
| * @return the modification time, if that is meaningful |
| * (e.g. for a file resource which exists); |
| * 0 if the resource does not exist, to mirror the behavior |
| * of {@link java.io.File#lastModified}; |
| * or 0 if the notion of modification time is meaningless for this class |
| * of resource (e.g. an inline string) |
| */ |
| public function getLastModified():Number |
| { |
| if (isReference()) { |
| return Resource(getCheckedRef()).getLastModified(); |
| } |
| if (!isExists() || !lastmodifiedSet) { |
| return UNKNOWN_DATETIME; |
| } |
| var result:Number = lastmodified; |
| return result < UNKNOWN_DATETIME ? UNKNOWN_DATETIME : result; |
| } |
| |
| /** |
| * Set the last modification attribute. |
| * @param lastmodified the modification time in milliseconds since 01.01.1970. |
| */ |
| public function setLastModified(lastmodified:Number):void |
| { |
| checkAttributesAllowed(); |
| this.lastmodified = lastmodified; |
| lastmodifiedSet = true; |
| } |
| |
| /** |
| * Tells if the resource is a directory. |
| * @return boolean flag indicating if the resource is a directory. |
| */ |
| public function isDirectory():Boolean |
| { |
| if (isReference()) { |
| return Resource(getCheckedRef()).isDirectory(); |
| } |
| //default false: |
| return directory; |
| } |
| |
| /** |
| * Set the directory attribute. |
| * @param directory if true, this resource is a directory. |
| */ |
| public function setDirectory(directory:Boolean):void |
| { |
| checkAttributesAllowed(); |
| this.directory = directory; |
| directorySet = true; |
| } |
| |
| /** |
| * Set the size of this Resource. |
| * @param size the size, as a long. |
| * @since Ant 1.6.3 |
| */ |
| public function setSize(size:int):void |
| { |
| checkAttributesAllowed(); |
| _size = size > UNKNOWN_SIZE ? size : UNKNOWN_SIZE; |
| sizeSet = true; |
| } |
| |
| /** |
| * Get the size of this Resource. |
| * @return the size, as a long, 0 if the Resource does not exist (for |
| * compatibility with java.io.File), or UNKNOWN_SIZE if not known. |
| * @since Ant 1.6.3 |
| */ |
| public function getSize():int |
| { |
| if (isReference()) { |
| return Resource(getCheckedRef()).getSize(); |
| } |
| return isExists() |
| ? (sizeSet ? _size : UNKNOWN_SIZE) |
| : 0; |
| } |
| |
| /** |
| * Delegates to a comparison of names. |
| * @param other the object to compare to. |
| * @return a negative integer, zero, or a positive integer as this Resource |
| * is less than, equal to, or greater than the specified Resource. |
| * @since Ant 1.6 |
| */ |
| public function compareTo(other:Resource):int { |
| if (isReference()) { |
| return Resource(getCheckedRef()).compareTo(other); |
| } |
| return toString().localeCompare(other.toString()); |
| } |
| |
| /** |
| * Implement basic Resource equality. |
| * @param other the object to check against. |
| * @return true if the specified Object is equal to this Resource. |
| * @since Ant 1.7 |
| */ |
| public function equals(other:Object):Boolean { |
| if (isReference()) { |
| return getCheckedRef().equals(other); |
| } |
| return compareTo(Resource(other)) == 0; |
| } |
| |
| /** |
| * Get an InputStream for the Resource. |
| * @return an InputStream containing this Resource's content. |
| * @throws IOException if unable to provide the content of this |
| * Resource as a stream. |
| * @throws UnsupportedOperationException if InputStreams are not |
| * supported for this Resource type. |
| * @since Ant 1.7 |
| */ |
| public function getInputStream():FileStream |
| { |
| if (isReference()) { |
| return Resource(getCheckedRef()).getInputStream(); |
| } |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * Get an OutputStream for the Resource. |
| * @return an OutputStream to which content can be written. |
| * @throws IOException if unable to provide the content of this |
| * Resource as a stream. |
| * @throws UnsupportedOperationException if OutputStreams are not |
| * supported for this Resource type. |
| * @since Ant 1.7 |
| */ |
| public function getOutputStream():FileStream |
| { |
| if (isReference()) { |
| return Resource(getCheckedRef()).getOutputStream(); |
| } |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * Fulfill the ResourceCollection contract. |
| * @return an Iterator of Resources. |
| * @since Ant 1.7 |
| */ |
| public function iterator():Vector.<Resource> |
| { |
| return isReference() ? Resource(getCheckedRef()).iterator() |
| : Vector.<Resource>([this]); |
| } |
| |
| /** |
| * Fulfill the ResourceCollection contract. |
| * @return the size of this ResourceCollection. |
| * @since Ant 1.7 |
| */ |
| public function size():int { |
| return isReference() ? Resource(getCheckedRef()).size() : 1; |
| } |
| |
| /** |
| * Fulfill the ResourceCollection contract. |
| * @return whether this Resource is a FileProvider. |
| * @since Ant 1.7 |
| */ |
| public function isFilesystemOnly():Boolean |
| { |
| return (isReference() && Resource(getCheckedRef()).isFilesystemOnly()) |
| || this is FileProvider; |
| } |
| |
| /** |
| * Get the string representation of this Resource. |
| * @return this Resource formatted as a String. |
| * @since Ant 1.7 |
| */ |
| override public function toString():String |
| { |
| if (isReference()) { |
| return getCheckedRef().toString(); |
| } |
| var n:String = getName(); |
| return n == null ? "(anonymous)" : n; |
| } |
| |
| /** |
| * Get a long String representation of this Resource. |
| * This typically should be the value of <code>toString()</code> |
| * prefixed by a type description. |
| * @return this Resource formatted as a long String. |
| * @since Ant 1.7 |
| */ |
| public function toLongString():String |
| { |
| return isReference() ? Resource(getCheckedRef()).toLongString() |
| : getDataTypeName() + " \"" + toString() + '"'; |
| } |
| |
| /** |
| * Overrides the base version. |
| * @param r the Reference to set. |
| */ |
| override public function setRefid(r:Reference):void |
| { |
| if (nameSet |
| || existsSet |
| || lastmodifiedSet |
| || directorySet |
| || sizeSet) { |
| throw tooManyAttributes(); |
| } |
| super.setRefid(r); |
| } |
| |
| } |
| } |