htmlにAppletをロードする方法
41348 ワード
htmlにappletを埋め込む方法には、またはタグを使用するなど、さまざまな方法があります.しかし、どの方法が一番いいですか?以下は私がsunの公式で見つけた解決方法で、あなたに役に立つことを望んでいます.
/*
* deployJava.js
*
* This file is part of the Deployment Toolkit. It provides functions for web
* pages to detect the presence of a JRE, install the latest JRE, and easily run
* applets or Web Start programs. More Information on usage of the
* Deployment Toolkit can be found in the Deployment Guide at:
* http://java.sun.com/javase/6/docs/technotes/guides/jweb/index.html
*
* The "live" copy of this file may be found at :
* http://java.com/js/deployJava.js.
* For web pages provisioned using https, you may want to access the copy at:
* https://java.com/js/deployJava.js.
*
* You are encouraged to link directly to the live copies.
* The above files are stripped of comments and whitespace for performance,
* You can access this file w/o the whitespace and comments removed at:
* http://java.com/js/deployJava.txt.
*
*/
var deployJava = {
debug: null,
firefoxJavaVersion: null,
myInterval: null,
preInstallJREList: null,
returnPage: null,
brand: null,
locale: null,
installType: null,
EAInstallEnabled: false,
EarlyAccessURL: null,
// GetJava page
getJavaURL: 'http://java.sun.com/webapps/getjava/BrowserRedirect?host=java.com',
// Apple redirect page
appleRedirectPage: 'http://www.apple.com/support/downloads/',
// mime-type of the DeployToolkit plugin object
oldMimeType: 'application/npruntime-scriptable-plugin;DeploymentToolkit',
mimeType: 'application/java-deployment-toolkit',
// location of the Java Web Start launch button graphic
launchButtonPNG: 'http://java.sun.com/products/jfc/tsc/articles/swing2d/webstart.png',
browserName: null,
browserName2: null,
/**
* Returns an array of currently-installed JRE version strings.
* Version strings are of the form #.#[.#[_#]], with the function returning
* as much version information as it can determine, from just family
* versions ("1.4.2", "1.5") through the full version ("1.5.0_06").
*
* Detection is done on a best-effort basis. Under some circumstances
* only the highest installed JRE version will be detected, and
* JREs older than 1.4.2 will not always be detected.
*/
getJREs: function() {
var list = new Array();
if (deployJava.isPluginInstalled()) {
var plugin = deployJava.getPlugin();
var VMs = plugin.jvms;
for (var i = 0; i < VMs.getLength(); i++) {
list[i] = VMs.get(i).version;
}
} else {
var browser = deployJava.getBrowser();
if (browser == 'MSIE') {
if (deployJava.testUsingActiveX('1.7.0')) {
list[0] = '1.7.0';
} else if (deployJava.testUsingActiveX('1.6.0')) {
list[0] = '1.6.0';
} else if (deployJava.testUsingActiveX('1.5.0')) {
list[0] = '1.5.0';
} else if (deployJava.testUsingActiveX('1.4.2')) {
list[0] = '1.4.2';
} else if (deployJava.testForMSVM()) {
list[0] = '1.1';
}
} else if (browser == 'Netscape Family') {
deployJava.getJPIVersionUsingMimeType();
if (deployJava.firefoxJavaVersion != null) {
list[0] = deployJava.firefoxJavaVersion;
} else if (deployJava.testUsingMimeTypes('1.7')) {
list[0] = '1.7.0';
} else if (deployJava.testUsingMimeTypes('1.6')) {
list[0] = '1.6.0';
} else if (deployJava.testUsingMimeTypes('1.5')) {
list[0] = '1.5.0';
} else if (deployJava.testUsingMimeTypes('1.4.2')) {
list[0] = '1.4.2';
} else if (deployJava.browserName2 == 'Safari') {
if (deployJava.testUsingPluginsArray('1.7.0')) {
list[0] = '1.7.0';
} else if (deployJava.testUsingPluginsArray('1.6')) {
list[0] = '1.6.0';
} else if (deployJava.testUsingPluginsArray('1.5')) {
list[0] = '1.5.0';
} else if (deployJava.testUsingPluginsArray('1.4.2')) {
list[0] = '1.4.2';
}
}
}
}
if (deployJava.debug) {
for (var i = 0; i < list.length; ++i) {
alert('We claim to have detected Java SE ' + list[i]);
}
}
return list;
},
/**
* Triggers a JRE installation. The exact effect of triggering an
* installation varies based on platform, browser, and if the
* Deployment Toolkit plugin is installed.
*
* The requestVersion string is of the form #[.#[.#[_#]]][+|*],
* which includes strings such as "1.4", "1.5.0*", and "1.6.0_02+".
* A star (*) means "any version starting within this family" and
* a plus (+) means "any version greater or equal to this".
* "1.5.0*" * matches 1.5.0_06 but not 1.6.0_01, whereas
* "1.5.0+" matches both.
*
* If the Deployment Toolkit plugin is not present, this will just call
* deployJava.installLatestJRE().
*/
installJRE: function(requestVersion) {
var ret = false;
if (deployJava.isPluginInstalled()) {
if (deployJava.getPlugin().installJRE(requestVersion)) {
deployJava.refresh();
if (deployJava.returnPage != null) {
document.location = deployJava.returnPage;
}
return true;
} else {
return false;
}
} else {
return deployJava.installLatestJRE();
}
},
/**
* Triggers a JRE installation. The exact effect of triggering an
* installation varies based on platform, browser, and if the
* Deployment Toolkit plugin is installed.
*
* In the simplest case, the browser window will be redirected to the
* java.com JRE installation page, and (if possible) a redirect back to
* the current URL upon successful installation. The return redirect is
* not always possible, as the JRE installation may require the browser to
* be restarted.
*
* In the best case (when the Deployment Toolkit plugin is present), this
* function will immediately cause a progress dialog to be displayed
* as the JRE is downloaded and installed.
*/
installLatestJRE: function() {
if (deployJava.isPluginInstalled()) {
if (deployJava.getPlugin().installLatestJRE()) {
deployJava.refresh();
if (deployJava.returnPage != null) {
document.location = deployJava.returnPage;
}
return true;
} else {
return false;
}
} else {
var browser = deployJava.getBrowser();
var platform = navigator.platform.toLowerCase();
if ((deployJava.EAInstallEnabled == 'true') &&
(platform.indexOf('win') != -1) &&
(deployJava.EarlyAccessURL != null)) {
deployJava.preInstallJREList = deployJava.getJREs();
if (deployJava.returnPage != null) {
deployJava.myInterval =
setInterval("deployJava.poll()", 3000);
}
location.href = deployJava.EarlyAccessURL;
// we have to return false although there may be an install
// in progress now, when complete it may go to return page
return false;
} else {
if (browser == 'MSIE') {
return deployJava.IEInstall();
} else if ((browser == 'Netscape Family') &&
(platform.indexOf('win32') != -1)) {
return deployJava.FFInstall();
} else {
location.href = deployJava.getJavaURL +
((deployJava.returnPage != null) ?
('&returnPage=' + deployJava.returnPage) : '') +
((deployJava.locale != null) ?
('&locale=' + deployJava.locale) : '') +
((deployJava.brand != null) ?
('&brand=' + deployJava.brand) : '');
}
// we have to return false although there may be an install
// in progress now, when complete it may go to return page
return false;
}
}
},
/**
* Ensures that an appropriate JRE is installed and then runs an applet.
* minimumVersion is of the form #[.#[.#[_#]]], and is the minimum
* JRE version necessary to run this applet. minimumVersion is optional,
* defaulting to the value "1.1" (which matches any JRE).
* If an equal or greater JRE is detected, runApplet() will call
* writeAppletTag(attributes, parameters) to output the applet tag,
* otherwise it will call installJRE(minimumVersion + '+').
*
* After installJRE() is called, the script will attempt to detect that the
* JRE installation has completed and begin running the applet, but there
* are circumstances (such as when the JRE installation requires a browser
* restart) when this cannot be fulfilled.
*
* As with writeAppletTag(), this function should only be called prior to
* the web page being completely rendered. Note that version wildcards
* (star (*) and plus (+)) are not supported, and including them in the
* minimumVersion will result in an error message.
*/
runApplet: function(attributes, parameters, minimumVersion) {
if (minimumVersion == 'undefined' || minimumVersion == null) {
minimumVersion = '1.1';
}
var regex = "^(\\d+)(?:\\.(\\d+)(?:\\.(\\d+)(?:_(\\d+))?)?)?$";
var matchData = minimumVersion.match(regex);
if (deployJava.returnPage == null) {
// if there is an install, come back here and run the applet
deployJava.returnPage = document.location;
}
if (matchData != null) {
var browser = deployJava.getBrowser();
if ((browser != '?') && ('Safari' != deployJava.browserName2)) {
if (deployJava.versionCheck(minimumVersion + '+')) {
deployJava.writeAppletTag(attributes, parameters);
} else if (deployJava.installJRE(minimumVersion + '+')) {
// after successfull install we need to refresh page to pick
// pick up new plugin
deployJava.refresh();
location.href = document.location;
deployJava.writeAppletTag(attributes, parameters);
}
} else {
// for unknown or Safari - just try to show applet
deployJava.writeAppletTag(attributes, parameters);
}
} else {
if (deployJava.debug) {
alert('Invalid minimumVersion argument to runApplet():' +
minimumVersion);
}
}
},
/**
* Outputs an applet tag with the specified attributes and parameters, where
* both attributes and parameters are associative arrays. Each key/value
* pair in attributes becomes an attribute of the applet tag itself, while
* key/value pairs in parameters become <PARAM> tags. No version checking
* or other special behaviors are performed; the tag is simply written to
* the page using document.writeln().
*
* As document.writeln() is generally only safe to use while the page is
* being rendered, you should never call this function after the page
* has been completed.
*/
writeAppletTag: function(attributes, parameters) {
var startApplet = '<' + 'applet ';
var params = '';
var endApplet = '<' + '/' + 'applet' + '>';
var addCodeAttribute = true;
for (var attribute in attributes) {
startApplet += (' ' +attribute+ '="' +attributes[attribute] + '"');
if (attribute == 'code' || attribute == 'java_code') {
addCodeAttribute = false;
}
}
if (parameters != 'undefined' && parameters != null) {
var codebaseParam = false;
for (var parameter in parameters) {
if (parameter == 'codebase_lookup') {
codebaseParam = true;
}
// Originally, parameter 'object' was used for serialized
// applets, later, to avoid confusion with object tag in IE
// the 'java_object' was added. Plugin supports both.
if (parameter == 'object' || parameter == 'java_object') {
addCodeAttribute = false;
}
params += '<param name="' + parameter + '" value="' +
parameters[parameter] + '"/>';
}
if (!codebaseParam) {
params += '<param name="codebase_lookup" value="false"/>';
}
}
if (addCodeAttribute) {
startApplet += (' code="dummy"');
}
startApplet += '>';
document.write(startApplet + '
' + params + '
' + endApplet);
},
/**
* Returns true if there is a matching JRE version currently installed
* (among those detected by getJREs()). The versionPattern string is
* of the form #[.#[.#[_#]]][+|*], which includes strings such as "1.4",
* "1.5.0*", and "1.6.0_02+".
* A star (*) means "any version within this family" and a plus (+) means
* "any version greater or equal to the specified version". "1.5.0*"
* matches 1.5.0_06 but not 1.6.0_01, whereas "1.5.0+" matches both.
*
* If the versionPattern does not include all four version components
* but does not end with a star or plus, it will be treated as if it
* ended with a star. "1.5" is exactly equivalent to "1.5*", and will
* match any version number beginning with "1.5".
*
* If getJREs() is unable to detect the precise version number, a match
* could be ambiguous. For example if getJREs() detects "1.5", there is
* no way to know whether the JRE matches "1.5.0_06+". versionCheck()
* compares only as much of the version information as could be detected,
* so versionCheck("1.5.0_06+") would return true in in this case.
*
* Invalid versionPattern will result in a JavaScript error alert.
* versionPatterns which are valid but do not match any existing JRE
* release (e.g. "32.65+") will always return false.
*/
versionCheck: function(versionPattern)
{
var index = 0;
var regex = "^(\\d+)(?:\\.(\\d+)(?:\\.(\\d+)(?:_(\\d+))?)?)?(\\*|\\+)?$";
var matchData = versionPattern.match(regex);
if (matchData != null) {
var familyMatch = true;
var patternArray = new Array();
for (var i = 1; i < matchData.length; ++i) {
// browser dependency here.
// Fx sets 'undefined', IE sets '' string for unmatched groups
if ((typeof matchData[i] == 'string') && (matchData[i] != '')) {
patternArray[index] = matchData[i];
index++;
}
}
if (patternArray[patternArray.length-1] == '+') {
familyMatch = false;
patternArray.length--;
} else {
if (patternArray[patternArray.length-1] == '*') {
patternArray.length--;
}
}
var list = deployJava.getJREs();
for (var i = 0; i < list.length; ++i) {
if (deployJava.compareVersionToPattern(list[i], patternArray,
familyMatch)) {
return true;
}
}
return false;
} else {
alert('Invalid versionPattern passed to versionCheck: ' +
versionPattern);
return false;
}
},
/**
* Returns true if an installation of Java Web Start of the specified
* minimumVersion can be detected. minimumVersion is optional, and
* if not specified, '1.4.2' will be used.
* (Versions earlier than 1.4.2 may not be detected.)
*/
isWebStartInstalled: function(minimumVersion) {
var browser = deployJava.getBrowser();
if ((browser == '?') || ('Safari' == deployJava.browserName2)) {
// we really don't know - better to try to use it than reinstall
return true;
}
if (minimumVersion == 'undefined' || minimumVersion == null) {
minimumVersion = '1.4.2';
}
var retval = false;
var regex = "^(\\d+)(?:\\.(\\d+)(?:\\.(\\d+)(?:_(\\d+))?)?)?$";
var matchData = minimumVersion.match(regex);
if (matchData != null) {
retval = deployJava.versionCheck(minimumVersion + '+');
} else {
if (deployJava.debug) {
alert('Invalid minimumVersion argument to isWebStartInstalled(): ' + minimumVersion);
}
retval = deployJava.versionCheck('1.4.2+');
}
return retval;
},
// obtain JPI version using navigator.mimeTypes array
// if found, set the version to deployJava.firefoxJavaVersion
getJPIVersionUsingMimeType: function() {
// Walk through the full list of mime types.
for (var i = 0; i < navigator.mimeTypes.length; ++i) {
var s = navigator.mimeTypes[i].type;
// The jpi-version is the plug-in version. This is the best
// version to use.
var m = s.match(/^application\/x-java-applet;jpi-version=(.*)$/);
if (m != null) {
deployJava.firefoxJavaVersion = m[1];
// Opera puts the latest sun JRE last not first
if ('Opera' != deployJava.browserName2) {
break;
}
}
}
},
// launch the specified JNLP application using the passed in jnlp file
// the jnlp file does not need to have a codebase
// this requires JRE 7 or above to work
// if machine has no JRE 7 or above, we will try to auto-install and then launch
// (function will return false if JRE auto-install failed)
launchWebStartApplication: function(jnlp) {
var uaString = navigator.userAgent.toLowerCase();
deployJava.getJPIVersionUsingMimeType();
// make sure we are JRE 7 or above
if (deployJava.isWebStartInstalled('1.7.0') == false) {
// perform latest JRE auto-install
if ((deployJava.installJRE('1.7.0+') == false) ||
((deployJava.isWebStartInstalled('1.7.0') == false))) {
return false;
}
}
var jnlpDocbase = null;
// use document.documentURI for docbase
if (document.documentURI) {
jnlpDocbase = document.documentURI;
}
// fallback to document.URL if documentURI not available
if (jnlpDocbase == null) {
jnlpDocbase = document.URL;
}
var browser = deployJava.getBrowser();
var launchTag;
if (browser == 'MSIE') {
launchTag = '<' +
'object classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93" ' +
'width="0" height="0">' +
'<' + 'PARAM name="launchjnlp" value="' + jnlp + '"' + '>' +
'<' + 'PARAM name="docbase" value="' + jnlpDocbase + '"' + '>' +
'<' + '/' + 'object' + '>';
} else if (browser == 'Netscape Family') {
launchTag = '<' +
'embed type="application/x-java-applet;jpi-version=' +
deployJava.firefoxJavaVersion + '" ' +
'width="0" height="0" ' +
'launchjnlp="' + jnlp + '"' +
'docbase="' + jnlpDocbase + '"' +
' />';
}
if (document.body == 'undefined' || document.body == null) {
document.write(launchTag);
// go back to original page, otherwise current page becomes blank
document.location = jnlpDocbase;
} else {
var divTag = document.createElement("div");
divTag.id = "div1";
divTag.style.position = "relative";
divTag.style.left = "-10000px";
divTag.style.margin = "0px auto";
divTag.className ="dynamicDiv";
divTag.innerHTML = launchTag;
document.body.appendChild(divTag);
}
},
createWebStartLaunchButtonEx: function(jnlp, minimumVersion) {
if (deployJava.returnPage == null) {
// if there is an install, come back and run the jnlp file
deployJava.returnPage = jnlp;
}
var url = 'javascript:deployJava.launchWebStartApplication(\'' + jnlp +
'\');';
document.write('<' + 'a href="' + url +
'" onMouseOver="window.status=\'\'; ' +
'return true;"><' + 'img ' +
'src="' + deployJava.launchButtonPNG + '" ' +
'border="0" /><' + '/' + 'a' + '>');
},
/**
* Outputs a launch button for the specified JNLP URL. When clicked, the
* button will ensure that an appropriate JRE is installed and then launch
* the JNLP application. minimumVersion is of the form #[.#[.#[_#]]], and
* is the minimum JRE version necessary to run this JNLP application.
* minimumVersion is optional, and if it is not specified, '1.4.2'
* will be used.
* If an appropriate JRE or Web Start installation is detected,
* the JNLP application will be launched, otherwise installLatestJRE()
* will be called.
*
* After installLatestJRE() is called, the script will attempt to detect
* that the JRE installation has completed and launch the JNLP application,
* but there are circumstances (such as when the JRE installation
* requires a browser restart) when this cannot be fulfilled.
*/
createWebStartLaunchButton: function(jnlp, minimumVersion) {
if (deployJava.returnPage == null) {
// if there is an install, come back and run the jnlp file
deployJava.returnPage = jnlp;
}
var url = 'javascript:' +
'if (!deployJava.isWebStartInstalled("' +
minimumVersion + '")) {' +
'if (deployJava.installLatestJRE()) {' +
'if (deployJava.launch("' + jnlp + '")) {}' +
'}' +
'} else {' +
'if (deployJava.launch("' + jnlp + '")) {}' +
'}';
document.write('<' + 'a href="' + url +
'" onMouseOver="window.status=\'\'; ' +
'return true;"><' + 'img ' +
'src="' + deployJava.launchButtonPNG + '" ' +
'border="0" /><' + '/' + 'a' + '>');
},
/**
* Launch a JNLP application, (using the plugin if available)
*/
launch: function(jnlp) {
/*
* Using the plugin to launch Java Web Start is disabled for the time being
*/
document.location=jnlp;
return true;
},
/*
* returns true if the ActiveX or XPI plugin is installed
*/
isPluginInstalled: function() {
var plugin = deployJava.getPlugin();
if (plugin && plugin.jvms) {
return true;
} else {
return false;
}
},
/*
* returns true if the plugin is installed and AutoUpdate is enabled
*/
isAutoUpdateEnabled: function() {
if (deployJava.isPluginInstalled()) {
return deployJava.getPlugin().isAutoUpdateEnabled();
}
return false;
},
/*
* sets AutoUpdate on if plugin is installed
*/
setAutoUpdateEnabled: function() {
if (deployJava.isPluginInstalled()) {
return deployJava.getPlugin().setAutoUpdateEnabled();
}
return false;
},
/*
* sets the preferred install type : null, online, kernel
*/
setInstallerType: function(type) {
deployJava.installType = type;
if (deployJava.isPluginInstalled()) {
return deployJava.getPlugin().setInstallerType(type);
}
return false;
},
/*
* sets additional package list - to be used by kernel installer
*/
setAdditionalPackages: function(packageList) {
if (deployJava.isPluginInstalled()) {
return deployJava.getPlugin().setAdditionalPackages(
packageList);
}
return false;
},
/*
* sets preference to install Early Access versions if available
*/
setEarlyAccess: function(enabled) {
deployJava.EAInstallEnabled = enabled;
},
/*
* Determines if the next generation plugin (Plugin II) is default
*/
isPlugin2: function() {
if (deployJava.isPluginInstalled()) {
if (deployJava.versionCheck('1.6.0_10+')) {
try {
return deployJava.getPlugin().isPlugin2();
} catch (err) {
// older plugin w/o isPlugin2() function -
}
}
}
return false;
},
allowPlugin: function() {
deployJava.getBrowser();
// Safari and Opera browsers find the plugin but it
// doesn't work, so until we can get it to work - don't use it.
var ret = ('Safari' != deployJava.browserName2 &&
'Opera' != deployJava.browserName2);
return ret;
},
getPlugin: function() {
deployJava.refresh();
var ret = null;
if (deployJava.allowPlugin()) {
ret = document.getElementById('deployJavaPlugin');
}
return ret;
},
compareVersionToPattern: function(version, patternArray, familyMatch) {
var regex = "^(\\d+)(?:\\.(\\d+)(?:\\.(\\d+)(?:_(\\d+))?)?)?$";
var matchData = version.match(regex);
if (matchData != null) {
var index = 0;
var result = new Array();
for (var i = 1; i < matchData.length; ++i) {
if ((typeof matchData[i] == 'string') && (matchData[i] != ''))
{
result[index] = matchData[i];
index++;
}
}
var l = Math.min(result.length, patternArray.length);
if (familyMatch) {
for (var i = 0; i < l; ++i) {
if (result[i] != patternArray[i]) return false;
}
return true;
} else {
for (var i = 0; i < l; ++i) {
if (result[i] < patternArray[i]) {
return false;
} else if (result[i] > patternArray[i]) {
return true;
}
}
return true;
}
} else {
return false;
}
},
getBrowser: function() {
if (deployJava.browserName == null) {
var browser = navigator.userAgent.toLowerCase();
if (deployJava.debug) {
alert('userAgent -> ' + browser);
}
// order is important here. Safari userAgent contains mozilla,
// and Chrome userAgent contains both mozilla and safari.
if (browser.indexOf('msie') != -1) {
deployJava.browserName = 'MSIE';
deployJava.browserName2 = 'MSIE';
} else if (browser.indexOf('iphone') != -1) {
// this included both iPhone and iPad
deployJava.browserName = 'Netscape Family';
deployJava.browserName2 = 'iPhone';
} else if (browser.indexOf('firefox') != -1) {
deployJava.browserName = 'Netscape Family';
deployJava.browserName2 = 'Firefox';
} else if (browser.indexOf('chrome') != -1) {
deployJava.browserName = 'Netscape Family';
deployJava.browserName2 = 'Chrome';
} else if (browser.indexOf('safari') != -1) {
deployJava.browserName = 'Netscape Family';
deployJava.browserName2 = 'Safari';
} else if (browser.indexOf('mozilla') != -1) {
deployJava.browserName = 'Netscape Family';
deployJava.browserName2 = 'Other';
} else if (browser.indexOf('opera') != -1) {
deployJava.browserName = 'Netscape Family';
deployJava.browserName2 = 'Opera';
} else {
deployJava.browserName = '?';
deployJava.browserName2 = 'unknown';
}
if (deployJava.debug) {
alert ('Detected browser name:'+ deployJava.browserName +
', ' + deployJava.browserName2);
}
}
return deployJava.browserName;
},
testUsingActiveX: function(version) {
var objectName = 'JavaWebStart.isInstalled.' + version + '.0';
if (!ActiveXObject) {
if (deployJava.debug) {
alert ('Browser claims to be IE, but no ActiveXObject object?');
}
return false;
}
try {
return (new ActiveXObject(objectName) != null);
} catch (exception) {
return false;
}
},
testForMSVM: function() {
var clsid = '{08B0E5C0-4FCB-11CF-AAA5-00401C608500}';
if (typeof oClientCaps != 'undefined') {
var v = oClientCaps.getComponentVersion(clsid, "ComponentID");
if ((v == '') || (v == '5,0,5000,0')) {
return false;
} else {
return true;
}
} else {
return false;
}
},
testUsingMimeTypes: function(version) {
if (!navigator.mimeTypes) {
if (deployJava.debug) {
alert ('Browser claims to be Netscape family, but no mimeTypes[] array?');
}
return false;
}
for (var i = 0; i < navigator.mimeTypes.length; ++i) {
s = navigator.mimeTypes[i].type;
var m = s.match(/^application\/x-java-applet\x3Bversion=(1\.8|1\.7|1\.6|1\.5|1\.4\.2)$/);
if (m != null) {
if (deployJava.compareVersions(m[1], version)) {
return true;
}
}
}
return false;
},
testUsingPluginsArray: function(version) {
if ((!navigator.plugins) || (!navigator.plugins.length)) {
return false;
}
var platform = navigator.platform.toLowerCase();
for (var i = 0; i < navigator.plugins.length; ++i) {
s = navigator.plugins[i].description;
if (s.search(/^Java Switchable Plug-in (Cocoa)/) != -1) {
// Safari on MAC
if (deployJava.compareVersions("1.5.0", version)) {
return true;
}
} else if (s.search(/^Java/) != -1) {
if (platform.indexOf('win') != -1) {
// still can't tell - opera, safari on windows
// return true for 1.5.0 and 1.6.0
if (deployJava.compareVersions("1.5.0", version) ||
deployJava.compareVersions("1.6.0", version)) {
return true;
}
}
}
}
// if above dosn't work on Apple or Windows, just allow 1.5.0
if (deployJava.compareVersions("1.5.0", version)) {
return true;
}
return false;
},
IEInstall: function() {
location.href = deployJava.getJavaURL +
((deployJava.returnPage != null) ?
('&returnPage=' + deployJava.returnPage) : '') +
((deployJava.locale != null) ?
('&locale=' + deployJava.locale) : '') +
((deployJava.brand != null) ? ('&brand=' + deployJava.brand) : '') +
((deployJava.installType != null) ?
('&type=' + deployJava.installType) : '');
// should not actually get here
return false;
},
done: function (name, result) {
},
FFInstall: function() {
location.href = deployJava.getJavaURL +
((deployJava.returnPage != null) ?
('&returnPage=' + deployJava.returnPage) : '') +
((deployJava.locale != null) ?
('&locale=' + deployJava.locale) : '') +
((deployJava.brand != null) ? ('&brand=' + deployJava.brand) : '') +
((deployJava.installType != null) ?
('&type=' + deployJava.installType) : '');
// should not actually get here
return false;
},
// return true if 'installed' (considered as a JRE version string) is
// greater than or equal to 'required' (again, a JRE version string).
compareVersions: function(installed, required) {
var a = installed.split('.');
var b = required.split('.');
for (var i = 0; i < a.length; ++i) {
a[i] = Number(a[i]);
}
for (var i = 0; i < b.length; ++i) {
b[i] = Number(b[i]);
}
if (a.length == 2) {
a[2] = 0;
}
if (a[0] > b[0]) return true;
if (a[0] < b[0]) return false;
if (a[1] > b[1]) return true;
if (a[1] < b[1]) return false;
if (a[2] > b[2]) return true;
if (a[2] < b[2]) return false;
return true;
},
enableAlerts: function() {
// reset this so we can show the browser detection
deployJava.browserName = null;
deployJava.debug = true;
},
poll: function() {
deployJava.refresh();
var postInstallJREList = deployJava.getJREs();
if ((deployJava.preInstallJREList.length == 0) &&
(postInstallJREList.length != 0)) {
clearInterval(deployJava.myInterval);
if (deployJava.returnPage != null) {
location.href = deployJava.returnPage;
};
}
if ((deployJava.preInstallJREList.length != 0) &&
(postInstallJREList.length != 0) &&
(deployJava.preInstallJREList[0] != postInstallJREList[0])) {
clearInterval(deployJava.myInterval);
if (deployJava.returnPage != null) {
location.href = deployJava.returnPage;
}
}
},
writePluginTag: function() {
var browser = deployJava.getBrowser();
if (browser == 'MSIE') {
document.write('<' +
'object classid="clsid:CAFEEFAC-DEC7-0000-0000-ABCDEFFEDCBA" ' +
'id="deployJavaPlugin" width="0" height="0">' +
'<' + '/' + 'object' + '>');
} else if (browser == 'Netscape Family' && deployJava.allowPlugin()) {
deployJava.writeEmbedTag();
}
},
refresh: function() {
navigator.plugins.refresh(false);
var browser = deployJava.getBrowser();
if (browser == 'Netscape Family' && deployJava.allowPlugin()) {
var plugin = document.getElementById('deployJavaPlugin');
// only do this again if no plugin
if (plugin == null) {
deployJava.writeEmbedTag();
}
}
},
writeEmbedTag: function() {
var written = false;
if (navigator.mimeTypes != null) {
for (var i=0; i < navigator.mimeTypes.length; i++) {
if (navigator.mimeTypes[i].type == deployJava.mimeType) {
if (navigator.mimeTypes[i].enabledPlugin) {
document.write('<' +
'embed id="deployJavaPlugin" type="' +
deployJava.mimeType + '" hidden="true" />');
written = true;
}
}
}
// if we ddn't find new mimeType, look for old mimeType
if (!written) for (var i=0; i < navigator.mimeTypes.length; i++) {
if (navigator.mimeTypes[i].type == deployJava.oldMimeType) {
if (navigator.mimeTypes[i].enabledPlugin) {
document.write('<' +
'embed id="deployJavaPlugin" type="' +
deployJava.oldMimeType + '" hidden="true" />');
}
}
}
}
},
do_initialize: function() {
deployJava.writePluginTag();
if (deployJava.locale == null) {
var loc = null;
if (loc == null) try {
loc = navigator.userLanguage;
} catch (err) { }
if (loc == null) try {
loc = navigator.systemLanguage;
} catch (err) { }
if (loc == null) try {
loc = navigator.language;
} catch (err) { }
if (loc != null) {
loc.replace("-","_")
deployJava.locale = loc;
}
}
}
};
deployJava.do_initialize();