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processing/app/src/processing/app/contrib/ToolContribution.java at master · 2php/processing · GitHub
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ToolContribution.java
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processing
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processing
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contrib
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ToolContribution.java
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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2013-15 The Processing Foundation
Copyright (c) 2011-12 Ben Fry and Casey Reas
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
This program 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. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package
processing
.
app
.
contrib
;
import
java
.
io
.*;
import
java
.
net
.
URLClassLoader
;
import
java
.
util
.*;
import
processing
.
app
.
Base
;
import
processing
.
app
.
Messages
;
import
processing
.
app
.
tools
.
Tool
;
public
class
ToolContribution
extends
LocalContribution
implements
Tool
,
Comparable
<
ToolContribution
> {
private
Tool
tool
;
private
File
referenceFile
;
// shortname/reference/index.html
static
public
ToolContribution
load
(
File
folder
) {
try
{
return
new
ToolContribution
(
folder
);
}
catch
(
IgnorableException
ig
) {
Messages
.
log
(
ig
.
getMessage
());
}
catch
(
VerifyError
ve
) {
// incompatible
// avoid the excessive error spew that happens here
}
catch
(
NoClassDefFoundError
ncdfe
) {
if
(
ncdfe
.
getMessage
().
contains
(
"processing/app/Editor"
)) {
System
.
err
.
println
(
"The Editor class has moved to the processing.app.ui package in Processing 3"
);
}
}
catch
(
Throwable
e
) {
// unknown error
e
.
printStackTrace
();
}
return
null
;
}
private
ToolContribution
(
File
folder
)
throws
Throwable
{
super
(
folder
);
String
className
=
initLoader
(
null
);
if
(
className
!=
null
) {
Class
<?>
toolClass
=
loader
.
loadClass
(
className
);
tool
= (
Tool
)
toolClass
.
newInstance
();
}
referenceFile
=
new
File
(
folder
,
"reference/index.html"
);
}
/**
* Method to close the ClassLoader so that the archives are no longer
* "locked" and a tool can be removed without restart.
*/
public
void
clearClassLoader
() {
try
{
((
URLClassLoader
)
this
.
loader
).
close
();
}
catch
(
IOException
e1
) {
e1
.
printStackTrace
();
}
}
// static protected List<File> discover(File folder) {
// File[] folders = listCandidates(folder, "tool");
// if (folders == null) {
// return new ArrayList<File>();
// } else {
// return Arrays.asList(folders);
// }
// }
static
public
List
<
ToolContribution
>
loadAll
(
File
toolsFolder
) {
File
[]
list
=
ContributionType
.
TOOL
.
listCandidates
(
toolsFolder
);
ArrayList
<
ToolContribution
>
outgoing
=
new
ArrayList
<
ToolContribution
>();
// If toolsFolder does not exist or is inaccessible (stranger things have
// happened, and are reported as bugs) list will come back null.
if
(
list
!=
null
) {
for
(
File
folder
:
list
) {
try
{
ToolContribution
tc
=
load
(
folder
);
if
(
tc
!=
null
) {
outgoing
.
add
(
tc
);
}
}
catch
(
Exception
e
) {
e
.
printStackTrace
();
}
}
}
Collections
.
sort
(
outgoing
);
return
outgoing
;
}
public
void
init
(
Base
base
) {
tool
.
init
(
base
);
}
public
void
run
() {
tool
.
run
();
}
public
String
getMenuTitle
() {
return
tool
.
getMenuTitle
();
}
public
ContributionType
getType
() {
return
ContributionType
.
TOOL
;
}
/**
* Returns the object stored in the referenceFile field, which contains an
* instance of the file object representing the index file of the reference
*
* @return referenceFile
*/
public
File
getReferenceIndexFile
() {
return
referenceFile
;
}
/**
* Tests whether the reference's index file indicated by referenceFile exists.
*
* @return true if and only if the file denoted by referenceFile exists; false
* otherwise.
*/
public
boolean
hasReference
() {
return
referenceFile
.
exists
();
}
@
Override
public
int
compareTo
(
ToolContribution
o
) {
return
getMenuTitle
().
compareTo
(
o
.
getMenuTitle
());
}
}
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