Apache Ant Source Code Files
Apache Ant Source Code Files are inside the Apache Ant source package file
like apache-ant-1.10.10-src.zip.
Unzip the source package file and go to the "src/main" sub-directory,
you will see source code files.
Here is the list of Java source code files of the Apache Ant 1.10.10 in \Users\fyicenter\apache-ant-1.10.10\src\main:
✍: FYIcenter.com
⏎ org/apache/tools/ant/types/resources/ArchiveResource.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
*
* https://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.tools.ant.types.resources;
import java.io.File;
import java.util.Stack;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.Reference;
import org.apache.tools.ant.types.Resource;
import org.apache.tools.ant.types.ResourceCollection;
/**
* A Resource representation of an entry inside an archive.
* @since Ant 1.7
*/
public abstract class ArchiveResource extends Resource {
private static final int NULL_ARCHIVE
= Resource.getMagicNumber("null archive".getBytes());
private Resource archive;
private boolean haveEntry = false;
private boolean modeSet = false;
private int mode = 0;
/**
* Default constructor.
*/
protected ArchiveResource() {
}
/**
* Construct a ArchiveResource representing the specified
* entry in the specified archive.
* @param a the archive as File.
*/
protected ArchiveResource(File a) {
this(a, false);
}
/**
* Construct a ArchiveResource representing the specified
* entry in the specified archive.
* @param a the archive as File.
* @param withEntry if the entry has been specified.
*/
protected ArchiveResource(File a, boolean withEntry) {
setArchive(a);
haveEntry = withEntry;
}
/**
* Construct a ArchiveResource representing the specified
* entry in the specified archive.
* @param a the archive as Resource.
* @param withEntry if the entry has been specified.
*/
protected ArchiveResource(Resource a, boolean withEntry) {
addConfigured(a);
haveEntry = withEntry;
}
/**
* Set the archive that holds this Resource.
* @param a the archive as a File.
*/
public void setArchive(File a) {
checkAttributesAllowed();
archive = new FileResource(a);
}
/**
* Sets the file or dir mode for this resource.
* @param mode integer representation of Unix permission mask.
*/
public void setMode(int mode) {
checkAttributesAllowed();
this.mode = mode;
modeSet = true;
}
/**
* Sets the archive that holds this as a single element Resource
* collection.
* @param a the archive as a single element Resource collection.
*/
public void addConfigured(ResourceCollection a) {
checkChildrenAllowed();
if (archive != null) {
throw new BuildException(
"you must not specify more than one archive");
}
if (a.size() != 1) {
throw new BuildException(
"only single argument resource collections are supported as archives");
}
archive = a.iterator().next();
}
/**
* Get the archive that holds this Resource.
* @return the archive as a Resource.
*/
public Resource getArchive() {
return isReference() ? getRef().getArchive() : archive;
}
/**
* Get the last modified date of this Resource.
* @return the last modification date.
*/
@Override
public long getLastModified() {
if (isReference()) {
return getRef().getLastModified();
}
checkEntry();
return super.getLastModified();
}
/**
* Get the size of this Resource.
* @return the long size of this Resource.
*/
@Override
public long getSize() {
if (isReference()) {
return getRef().getSize();
}
checkEntry();
return super.getSize();
}
/**
* Learn whether this Resource represents a directory.
* @return boolean flag indicating whether the entry is a directory.
*/
@Override
public boolean isDirectory() {
if (isReference()) {
return getRef().isDirectory();
}
checkEntry();
return super.isDirectory();
}
/**
* Find out whether this Resource represents an existing Resource.
* @return boolean existence flag.
*/
@Override
public boolean isExists() {
if (isReference()) {
return getRef().isExists();
}
checkEntry();
return super.isExists();
}
/**
* Get the file or dir mode for this Resource.
* @return integer representation of Unix permission mask.
*/
public int getMode() {
if (isReference()) {
return getRef().getMode();
}
checkEntry();
return mode;
}
/**
* Overrides the super version.
* @param r the Reference to set.
*/
@Override
public void setRefid(Reference r) {
if (archive != null || modeSet) {
throw tooManyAttributes();
}
super.setRefid(r);
}
/**
* Compare this ArchiveResource to another Resource.
* @param another the other Resource against which to compare.
* @return a negative integer, zero, or a positive integer as this Resource
* is less than, equal to, or greater than the specified Resource.
*/
@Override
public int compareTo(Resource another) {
return this.equals(another) ? 0 : super.compareTo(another);
}
/**
* Compare another Object to this ArchiveResource for equality.
* @param another the other Object to compare.
* @return true if another is a Resource representing
* the same entry in the same archive.
*/
@Override
public boolean equals(Object another) {
if (this == another) {
return true;
}
if (isReference()) {
return getRef().equals(another);
}
if (another == null || !another.getClass().equals(getClass())) {
return false;
}
ArchiveResource r = (ArchiveResource) another;
return getArchive().equals(r.getArchive())
&& getName().equals(r.getName());
}
/**
* Get the hash code for this Resource.
* @return hash code as int.
*/
@Override
public int hashCode() {
return super.hashCode()
* (getArchive() == null ? NULL_ARCHIVE : getArchive().hashCode());
}
/**
* Format this Resource as a String.
* @return String representation of this Resource.
*/
@Override
public String toString() {
return isReference() ? getRef().toString()
: getArchive().toString() + ':' + getName();
}
/**
* Validate settings and ensure that the represented "archive entry"
* has been established.
*/
protected final synchronized void checkEntry() throws BuildException {
dieOnCircularReference();
if (haveEntry) {
return;
}
String name = getName();
if (name == null) {
throw new BuildException("entry name not set");
}
Resource r = getArchive();
if (r == null) {
throw new BuildException("archive attribute not set");
}
if (!r.isExists()) {
throw new BuildException("%s does not exist.", r);
}
if (r.isDirectory()) {
throw new BuildException("%s denotes a directory.", r);
}
fetchEntry();
haveEntry = true;
}
/**
* Fetch information from the named entry inside the archive.
*/
protected abstract void fetchEntry();
/**
* {@inheritDoc}
*/
@Override
protected synchronized void dieOnCircularReference(Stack<Object> stk, Project p) {
if (isChecked()) {
return;
}
if (isReference()) {
super.dieOnCircularReference(stk, p);
} else {
if (archive != null) {
pushAndInvokeCircularReferenceCheck(archive, stk, p);
}
setChecked(true);
}
}
@Override
protected ArchiveResource getRef() {
return getCheckedRef(ArchiveResource.class);
}
}
⏎ org/apache/tools/ant/types/resources/ArchiveResource.java
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