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A PHP engine implemented in 100% Java
/*
* Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.config.types;
import com.caucho.config.ConfigException;
import com.caucho.config.annotation.NoAspect;
import com.caucho.util.L10N;
import com.caucho.vfs.Path;
import com.caucho.vfs.Vfs;
import javax.annotation.PostConstruct;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Abstract type building a path pattern. The pattern follows ant.
*/
@NoAspect
public class FileSetType {
static final L10N L = new L10N(PathPatternType.class);
static final Logger log = Logger.getLogger(PathPatternType.class.getName());
private Path _dir;
private String _userPathPrefix = "";
private String _valuePath;
private ArrayList _includeList;
private ArrayList _excludeList
= new ArrayList();
/**
* Sets the starting directory.
*/
public void setDir(Path dir)
{
_dir = dir;
}
/**
* Gets the starting directory.
*/
public Path getDir()
{
return _dir;
}
/**
* Adds an include pattern.
*/
public void addInclude(PathPatternType pattern)
{
if (_includeList == null)
_includeList = new ArrayList();
_includeList.add(pattern);
}
public void addText(String text)
{
if ("".equals(text))
return;
// for fileset="foo/**/*.xml" find the prefix to minimize the search
int starP = text.indexOf('*');
if (starP > 0) {
int colonP = text.indexOf(':');
int slashP = text.lastIndexOf('/', starP);
if (colonP > 0 && colonP < slashP) {
String prefix = text.substring(0, slashP);
// server/6p04
_dir = Vfs.lookup(prefix);
addInclude(new PathPatternType(text.substring(slashP + 1)));
return;
}
else if (slashP >= 0) {
String prefix = text.substring(0, slashP);
addInclude(new PathPatternType(prefix, text));
return;
}
}
addInclude(new PathPatternType(text));
}
/**
* Adds an exclude pattern.
*/
public void addExclude(PathPatternType pattern)
{
_excludeList.add(pattern);
}
public void add(FileSetType fileSet)
{
if (fileSet == this)
return;
if (_dir == null) {
_dir = fileSet.getDir();
}
if (! isSameDir(fileSet)) {
throw new IllegalArgumentException(L.l("fileset directory: mismatch can't add {0} to {1}",
fileSet,
this));
}
if (fileSet._includeList != null) {
for (PathPatternType include : fileSet._includeList){
addInclude(include);
}
}
if (fileSet._excludeList != null) {
for (PathPatternType exclude : fileSet._excludeList){
addExclude(exclude);
}
}
}
public void addInverse(FileSetType fileSet)
{
if (fileSet == this)
return;
if (_dir == null) {
_dir = fileSet.getDir();
}
if (! isSameDir(fileSet))
throw new IllegalArgumentException(L.l("fileset directory mismatch: can't add {0} to {1}",
fileSet,
this));
if (fileSet._includeList != null) {
for (PathPatternType include : fileSet._includeList){
addExclude(include);
}
}
if (fileSet._excludeList != null) {
for (PathPatternType exclude : fileSet._excludeList){
addInclude(exclude);
}
}
}
/**
* Sets the user-path prefix for better error reporting.
*/
public void setUserPathPrefix(String prefix)
{
if (prefix != null && ! prefix.equals("") && ! prefix.endsWith("/"))
_userPathPrefix = prefix + "/";
else
_userPathPrefix = prefix;
}
/**
* Initialize the type.
*/
@PostConstruct
public void init()
throws ConfigException
{
if (_dir == null)
_dir = Vfs.lookup();
}
/**
* Returns the set of files.
*/
public ArrayList getPaths()
{
return getPaths(new ArrayList());
}
/**
* Returns the set of files.
*/
public ArrayList getPaths(ArrayList paths)
{
PathListCallback cb = new PathListCallback(paths);
filterPaths(cb);
Collections.sort(paths);
return paths;
}
/**
* Returns the set of files.
*/
public void filterPaths(PathCallback cb)
{
String dirPath = _dir.getPath();
if (! dirPath.endsWith("/")) {
dirPath += "/";
}
filterPaths(_dir, dirPath, cb);
}
/**
* Returns the set of files.
*/
public void filterPaths(Path path, String prefix, PathCallback cb)
{
if (! path.exists() || ! path.canRead()) {
return;
}
if (! isValidPrefix(path, prefix)) {
return;
}
if (path.isDirectory()) {
try {
String []list = path.list();
for (int i = 0; i < list.length; i++) {
String name = list[i];
if (".".equals(name) || "..".equals(name))
continue;
// jsp/187j
Path subpath = path.lookup("./" + name);
filterPaths(subpath, prefix, cb);
}
} catch (IOException e) {
log.log(Level.WARNING, e.toString(), e);
}
}
if (path.exists()) {
// server/2438 - logging on unreadable
// if (path.canRead()) {
if (isMatch(path, prefix)) {
String suffix = "";
String fullPath = path.getPath();
if (prefix.length() < fullPath.length())
suffix = path.getPath().substring(prefix.length());
path.setUserPath(_userPathPrefix + suffix);
cb.onMatch(path);
}
}
}
private boolean isValidPrefix(Path path, String prefix)
{
String suffix = "";
String fullPath = path.getPath();
if (prefix.length() < fullPath.length())
suffix = path.getPath().substring(prefix.length());
if (_includeList == null || _includeList.size() == 0) {
return true;
}
for (PathPatternType pattern : _includeList) {
if (pattern.isValidPrefix(suffix)) {
return true;
}
}
return false;
}
/**
* Returns the set of files.
*/
public boolean isMatch(Path path, String prefix)
{
String suffix = "";
String fullPath = path.getPath();
if (prefix.length() < fullPath.length()) {
suffix = fullPath.substring(prefix.length());
}
for (int i = 0; i < _excludeList.size(); i++) {
PathPatternType pattern = _excludeList.get(i);
if (pattern.isMatch(suffix))
return false;
}
if (_includeList == null)
return true;
for (int i = 0; i < _includeList.size(); i++) {
PathPatternType pattern = _includeList.get(i);
if (pattern.isMatch(suffix)) {
return true;
}
}
return false;
}
private boolean isSameDir(FileSetType fileSet)
{
if (fileSet == null)
throw new NullPointerException();
if (_dir == fileSet._dir)
return true;
if (_dir != null && _dir.equals(fileSet._dir))
return true;
return false;
}
public ArrayList getRoots()
{
ArrayList roots = new ArrayList();
if (_includeList == null || _includeList.size() == 0) {
roots.add(_dir);
return roots;
}
for (PathPatternType pattern : _includeList) {
String prefix = pattern.getPrefix();
if (prefix == null || "".equals(prefix)) {
roots.add(_dir);
return roots;
}
roots.add(_dir.lookup(prefix));
}
return roots;
}
@Override
public String toString()
{
return "FileSetType[" + _dir + "]";
}
public interface PathCallback {
public void onMatch(Path path);
}
private static class PathListCallback implements PathCallback {
private ArrayList _list = new ArrayList();
private PathListCallback(ArrayList list)
{
_list = list;
}
public ArrayList getList()
{
return _list;
}
@Override
public void onMatch(Path path)
{
_list.add(path);
}
@Override
public String toString()
{
return getClass().getSimpleName() + _list;
}
}
}