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Merge pull request #124 from BobHanson/hanson1
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‎sources/net.sf.j2s.core/dist/swingjs/SwingJS-site.zip‎

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‎sources/net.sf.j2s.core/dist/swingjs/timestamp‎

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‎sources/net.sf.j2s.core/dist/swingjs/ver/3.2.4/SwingJS-site.zip‎

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‎sources/net.sf.j2s.core/dist/swingjs/ver/3.2.4/timestamp‎

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‎sources/net.sf.j2s.java.core/dist/SwingJS-site.zip‎

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‎sources/net.sf.j2s.java.core/doc/Differences.txt‎

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Notes
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=====
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updated 11/03/19 -- adds information about File.exists() and points to src/test/async
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updated 10/26/19 -- adds information about File.createTempFile()
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updated 8/16/19 -- minor typos and added summary paragraph
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updated 7/19/19 -- clarification that AWT and Swing classes are supported directly
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Although true modal dialogs are not possible with only one thread, a functional equivalent --
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asynchronous modal dialogs -- is relatively easy to set up. All the JOptionPane dialogs will
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return PropertyChangeEvents to signal that they have been disposed of and containing the results.
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More on this later....
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See below.
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Native calls
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successfully transpiled over 500 applets using this strategy. (Kind of surprising, actually, that
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the original Java developers did not see that option. But we have a hindsight advantage here.)
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Temporary Files
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===============
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Working with Files
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==================
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SwingJS will always return File.exists() == true. If this is being tested, provide a J2sNative
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block that gives an appropriate "OK" message, for example:
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(/** @j2sNative 1 ? false : */ outputfile.exits())
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or
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(/** @j2sNative 1 ? true : */ inputfile.exits())
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Temporary files can be created in SwingJS. SwingJS will maintain a pseudo-filesystem for files
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created with File.createTempFile(). This is useful in that closure of writing to a temporary file
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does not generate a pseudo-download to the user's machine.
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SwingJS will maintain a pseudo-filesystem for files created with File.createTempFile(). This
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is useful in that closure of writing to the file does not generate a download to the user's
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machine (which typically requires user intervention).
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UNIMPLEMENTED CLASSES BY DESIGN
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===============================
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System.out.println("int value is " + value);
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}
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Developers are encouraged to create a separate class that handles general calls to JFileDialog.
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An example class can be found in the SwingJS distribution as
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/sources/net.sf.j2s.java.core/src/test/async/AsyncFileChooser.java.
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javax.swing.JOptionPane dialogs
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-------------------------------
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For this action to work, the parentComponent must implement
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propertyChangeListener, and any call to JOptionPanel should allow for
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asynchronous response.
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an asynchronous response, meaning that there is no actionable code following the
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call to the dialog opening.
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In addition, for compatibility with the Java version, implementation should
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wrap the call to getConfirmDialog or getOptionDialog in a method call to
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In JavaScript:
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The initial return from JOptionPane.showConfirmDialog and showMessageDialog
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will be NaN, testable as an impossible Java int value using ret !=
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Math.floor(ret) if the parent implements PropertyChangeListeneer, or -1
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will be (SwingJS) JDialog.ASYNCHRONOUS_INTEGER (NaN), testable as an impossible
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Java int value using ret != -(-ret) if the parent implements PropertyChangeListener, or -1
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(CLOSE_OPTION) if not.
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For showOptionDialog (which returns Object) or showInputDialog (which returns
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String), the initial return will be JDialog.ASYNCHRONOUS_OBJECT, testable as
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String), the initial return will be (SwingJS) JDialog.ASYNCHRONOUS_OBJECT, testable as
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((Object) ret) instanceof javax.swing.plaf.UIResource if the parent implements
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PropertyChangeListeneer, or null if not.
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available.
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Certain fall back mechanisms are possible, where onReturn does not exist, but
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only for the falling cases:
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only for the following cases:
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For showMessageDialog, for WARNING_MESSAGE and ERROR_MESSAGE, a simple
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showConfirmDialog. For other dialogs, a null return indicates the dialog was
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closed, just as for Java.
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Developers are encouraged to create a separate class that handles general calls.
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An example class can be found in the SwingJS distribution as src/test/async/AsyncDialog.java.
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native methods
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--------------

‎sources/net.sf.j2s.java.core/src/java/awt/Window.java‎

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}
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// /**
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// * This was never ever any use, since Frame subclasses Window
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// *
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// * Constructs a new, initially invisible window with the specified
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// * <code>Frame</code> as its owner. The window will not be focusable unless
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// * its owner is showing on the screen.
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// * <p>
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// * If there is a security manager, this method first calls the security
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// * manager's <code>checkTopLevelWindow</code> method with <code>this</code> as
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// * its argument to determine whether or not the window must be displayed with
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// * a warning banner.
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// *
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// * @param owner
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// * the <code>Frame</code> to act as owner or <code>null</code> if
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// * this window has no owner
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// * @exception IllegalArgumentException
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// * if the <code>owner</code>'s <code>GraphicsConfiguration</code>
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// * is not from a screen device
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// * @exception HeadlessException
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// * when <code>GraphicsEnvironment.isHeadless</code> returns
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// * <code>true</code>
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// *
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// * @see java.awt.GraphicsEnvironment#isHeadless
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// * @see java.lang.SecurityManager#checkTopLevelWindow
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// * @see #isShowing
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// *
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// */
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// public Window(Frame owner) {
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// this(owner, null);
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// }
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/**
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*
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* Constructs a new, initially invisible window with the specified
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* <code>Frame</code> as its owner. The window will not be focusable unless
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* its owner is showing on the screen.
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* <p>
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* If there is a security manager, this method first calls the security
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* manager's <code>checkTopLevelWindow</code> method with <code>this</code> as
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* its argument to determine whether or not the window must be displayed with
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* a warning banner.
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*
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* @param owner
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* the <code>Frame</code> to act as owner or <code>null</code> if
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* this window has no owner
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* @exception IllegalArgumentException
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* if the <code>owner</code>'s <code>GraphicsConfiguration</code>
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* is not from a screen device
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* @exception HeadlessException
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* when <code>GraphicsEnvironment.isHeadless</code> returns
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* <code>true</code>
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*
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* @see java.awt.GraphicsEnvironment#isHeadless
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* @see java.lang.SecurityManager#checkTopLevelWindow
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* @see #isShowing
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*
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*/
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public Window(Frame owner) {
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this(owner, null);
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}
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/**
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* Constructs a new, initially invisible window with the specified

‎sources/net.sf.j2s.java.core/src/java/io/BufferedOutputStream.java‎

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}
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buf[count++] = (byte) oneByte;
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}
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@Override
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public int hashCode() {
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try {
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flush();
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} catch (IOException e) {
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}
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return out.hashCode();
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}
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}

‎sources/net.sf.j2s.java.core/src/java/io/ByteArrayOutputStream.java‎

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@Override
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public void close() throws IOException {
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}
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@Override
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public int hashCode() {
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return buf.hashCode();
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}
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}

‎sources/net.sf.j2s.java.core/src/java/lang/Class.java‎

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/*
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* Copyright 1994-2006 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* code = this.$clazz$.__CLASS_NAME$__ ||
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* this.$clazz$.__CLASS_NAME__;
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*
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* if (code) return code;
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* if (code) return (code.indexOf(".") < 0 ? "java.lang." + code : code);
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*
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* code = this.$clazz$.__PARAMCODE;
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*

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