com.gargoylesoftware.htmlunit.html.HtmlInput Maven / Gradle / Ivy
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A headless browser intended for use in testing web-based applications.
/*
* Copyright (c) 2002-2011 Gargoyle Software Inc.
*
* Licensed 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
* http://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 com.gargoylesoftware.htmlunit.html;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Map;
import com.gargoylesoftware.htmlunit.BrowserVersionFeatures;
import com.gargoylesoftware.htmlunit.ElementNotFoundException;
import com.gargoylesoftware.htmlunit.Page;
import com.gargoylesoftware.htmlunit.ScriptResult;
import com.gargoylesoftware.htmlunit.SgmlPage;
import com.gargoylesoftware.htmlunit.WebAssert;
import com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine;
import com.gargoylesoftware.htmlunit.javascript.host.Event;
import com.gargoylesoftware.htmlunit.util.NameValuePair;
/**
* Wrapper for the HTML element "input".
*
* @version $Revision: 6204 $
* @author Mike Bowler
* @author David K. Taylor
* @author Christian Sell
* @author David D. Kilzer
* @author Marc Guillemot
* @author Daniel Gredler
* @author Ahmed Ashour
*/
public abstract class HtmlInput extends HtmlElement implements DisabledElement, SubmittableElement,
FormFieldWithNameHistory {
/** The HTML tag represented by this element. */
public static final String TAG_NAME = "input";
private String defaultValue_;
private String originalName_;
private Collection previousNames_ = Collections.emptySet();
/**
* Creates an instance.
*
* @param page the page that contains this element
* @param attributes the initial attributes
*/
public HtmlInput(final SgmlPage page, final Map attributes) {
this(null, TAG_NAME, page, attributes);
}
/**
* Creates an instance.
*
* @param namespaceURI the URI that identifies an XML namespace
* @param qualifiedName the qualified name of the element type to instantiate
* @param page the page that contains this element
* @param attributes the initial attributes
*/
public HtmlInput(final String namespaceURI, final String qualifiedName, final SgmlPage page,
final Map attributes) {
super(namespaceURI, qualifiedName, page, attributes);
defaultValue_ = getValueAttribute();
originalName_ = getNameAttribute();
}
/**
* Sets the content of the "value" attribute, executing onchange handlers if appropriate.
* This method returns the page contained by this element's window after the value is set,
* which may or may not be the same as the original page.
* @param newValue the new content
* @return the page contained by this element's window after the value is set
*/
public Page setValueAttribute(final String newValue) {
WebAssert.notNull("newValue", newValue);
setAttribute("value", newValue);
return executeOnChangeHandlerIfAppropriate(this);
}
/**
* {@inheritDoc}
*/
public NameValuePair[] getSubmitKeyValuePairs() {
return new NameValuePair[]{new NameValuePair(getNameAttribute(), getValueAttribute())};
}
/**
* Returns the value of the attribute "type". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "type" or an empty string if that attribute isn't defined
*/
public final String getTypeAttribute() {
return getAttribute("type");
}
/**
* Returns the value of the attribute "name". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "name" or an empty string if that attribute isn't defined
*/
public final String getNameAttribute() {
return getAttribute("name");
}
/**
* Return the value of the attribute "value". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "value" or an empty string if that attribute isn't defined
*/
public final String getValueAttribute() {
return getAttribute("value");
}
/**
* Returns the value of the attribute "checked". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "checked" or an empty string if that attribute isn't defined
*/
public final String getCheckedAttribute() {
return getAttribute("checked");
}
/**
* {@inheritDoc}
*/
public final String getDisabledAttribute() {
return getAttribute("disabled");
}
/**
* {@inheritDoc}
*/
public final boolean isDisabled() {
return hasAttribute("disabled");
}
/**
* Returns the value of the attribute "readonly". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "readonly"
* or an empty string if that attribute isn't defined.
*/
public final String getReadOnlyAttribute() {
return getAttribute("readonly");
}
/**
* Returns the value of the attribute "size". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "size"
* or an empty string if that attribute isn't defined.
*/
public final String getSizeAttribute() {
return getAttribute("size");
}
/**
* Returns the value of the attribute "maxlength". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "maxlength"
* or an empty string if that attribute isn't defined.
*/
public final String getMaxLengthAttribute() {
return getAttribute("maxlength");
}
/**
* Gets the max length if defined, Integer.MAX_VALUE if none.
* @return the max length
*/
protected int getMaxLength() {
final String maxLength = getMaxLengthAttribute();
if (maxLength.length() == 0) {
return Integer.MAX_VALUE;
}
try {
return Integer.parseInt(maxLength.trim());
}
catch (final NumberFormatException e) {
return Integer.MAX_VALUE;
}
}
/**
* Returns the value of the attribute "src". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "src"
* or an empty string if that attribute isn't defined.
*/
public final String getSrcAttribute() {
return getAttribute("src");
}
/**
* Returns the value of the attribute "alt". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "alt"
* or an empty string if that attribute isn't defined.
*/
public final String getAltAttribute() {
return getAttribute("alt");
}
/**
* Returns the value of the attribute "usemap". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "usemap"
* or an empty string if that attribute isn't defined.
*/
public final String getUseMapAttribute() {
return getAttribute("usemap");
}
/**
* Returns the value of the attribute "tabindex". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "tabindex"
* or an empty string if that attribute isn't defined.
*/
public final String getTabIndexAttribute() {
return getAttribute("tabindex");
}
/**
* Returns the value of the attribute "accesskey". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "accesskey"
* or an empty string if that attribute isn't defined.
*/
public final String getAccessKeyAttribute() {
return getAttribute("accesskey");
}
/**
* Returns the value of the attribute "onfocus". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "onfocus"
* or an empty string if that attribute isn't defined.
*/
public final String getOnFocusAttribute() {
return getAttribute("onfocus");
}
/**
* Returns the value of the attribute "onblur". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "onblur"
* or an empty string if that attribute isn't defined.
*/
public final String getOnBlurAttribute() {
return getAttribute("onblur");
}
/**
* Returns the value of the attribute "onselect". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "onselect"
* or an empty string if that attribute isn't defined.
*/
public final String getOnSelectAttribute() {
return getAttribute("onselect");
}
/**
* Returns the value of the attribute "onchange". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "onchange"
* or an empty string if that attribute isn't defined.
*/
public final String getOnChangeAttribute() {
return getAttribute("onchange");
}
/**
* Returns the value of the attribute "accept". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "accept"
* or an empty string if that attribute isn't defined.
*/
public final String getAcceptAttribute() {
return getAttribute("accept");
}
/**
* Returns the value of the attribute "align". Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute "align"
* or an empty string if that attribute isn't defined.
*/
public final String getAlignAttribute() {
return getAttribute("align");
}
/**
* {@inheritDoc}
* @see SubmittableElement#reset()
*/
public void reset() {
setValueAttribute(defaultValue_);
}
/**
* {@inheritDoc} Also sets the value attribute when emulating Netscape browsers.
* @see SubmittableElement#setDefaultValue(String)
* @see HtmlFileInput#setDefaultValue(String)
*/
public void setDefaultValue(final String defaultValue) {
final boolean modifyValue = getPage().getWebClient().getBrowserVersion()
.hasFeature(BrowserVersionFeatures.HTMLINPUT_DEFAULT_IS_CHECKED);
setDefaultValue(defaultValue, modifyValue);
}
/**
* Sets the default value, optionally also modifying the current value.
* @param defaultValue the new default value
* @param modifyValue Whether or not to set the current value to the default value
*/
protected void setDefaultValue(final String defaultValue, final boolean modifyValue) {
defaultValue_ = defaultValue;
if (modifyValue) {
setValueAttribute(defaultValue);
}
}
/**
* {@inheritDoc}
* @see SubmittableElement#getDefaultValue()
*/
public String getDefaultValue() {
return defaultValue_;
}
/**
* {@inheritDoc} The default implementation is empty; only checkboxes and radio buttons
* really care what the default checked value is.
* @see SubmittableElement#setDefaultChecked(boolean)
* @see HtmlRadioButtonInput#setDefaultChecked(boolean)
* @see HtmlCheckBoxInput#setDefaultChecked(boolean)
*/
public void setDefaultChecked(final boolean defaultChecked) {
// Empty.
}
/**
* {@inheritDoc} The default implementation returns false; only checkboxes and
* radio buttons really care what the default checked value is.
* @see SubmittableElement#isDefaultChecked()
* @see HtmlRadioButtonInput#isDefaultChecked()
* @see HtmlCheckBoxInput#isDefaultChecked()
*/
public boolean isDefaultChecked() {
return false;
}
/**
* Sets the "checked" attribute, returning the page that occupies this input's window after setting
* the attribute. Note that the returned page may or may not be the original page, depending on
* the presence of JavaScript event handlers, etc.
*
* @param isChecked true if this element is to be selected
* @return the page that occupies this input's window after setting the attribute
*/
public Page setChecked(final boolean isChecked) {
// By default this returns the current page. Derived classes will override.
return getPage();
}
/**
* Sets the "readOnly" attribute.
*
* @param isReadOnly true if this element is read only
*/
public void setReadOnly(final boolean isReadOnly) {
if (isReadOnly) {
setAttribute("readOnly", "readOnly");
}
else {
removeAttribute("readOnly");
}
}
/**
* Returns true if this element is currently selected.
* @return true if this element is currently selected
*/
public boolean isChecked() {
return hasAttribute("checked");
}
/**
* Returns true if this element is read only.
* @return true if this element is read only
*/
public boolean isReadOnly() {
return hasAttribute("readOnly");
}
/**
* Simulate clicking this input with a pointing device. The x and y coordinates
* of the pointing device will be sent to the server.
*
* @param the page type
* @param x the x coordinate of the pointing device at the time of clicking
* @param y the y coordinate of the pointing device at the time of clicking
* @return the page that is loaded after the click has taken place
* @exception IOException If an io error occurs
* @exception ElementNotFoundException If a particular XML element could not be found in the DOM model
*/
@SuppressWarnings("unchecked")
public
P click(final int x, final int y)
throws
IOException,
ElementNotFoundException {
// By default this is no different than a click without coordinates.
return (P) click();
}
/**
* Executes the onchange script code for this element if this is appropriate.
* This means that the element must have an onchange script, script must be enabled
* and the change in the element must not have been triggered by a script.
*
* @param htmlElement the element that contains the onchange attribute
* @return the page that occupies this window after this method completes (may or
* may not be the same as the original page)
*/
static Page executeOnChangeHandlerIfAppropriate(final HtmlElement htmlElement) {
final SgmlPage page = htmlElement.getPage();
final JavaScriptEngine engine = htmlElement.getPage().getWebClient().getJavaScriptEngine();
if (engine.isScriptRunning()) {
return page;
}
final ScriptResult scriptResult = htmlElement.fireEvent(Event.TYPE_CHANGE);
if (page.getWebClient().getWebWindows().contains(page.getEnclosingWindow())) {
return page.getEnclosingWindow().getEnclosedPage(); // may be itself or a newly loaded one
}
else if (scriptResult != null) {
// current window doesn't exist anymore
return scriptResult.getNewPage();
}
return page;
}
/**
* {@inheritDoc}
*/
@Override
public void setAttributeNS(final String namespaceURI, final String qualifiedName, final String attributeValue) {
if ("name".equals(qualifiedName)) {
if (previousNames_.isEmpty()) {
previousNames_ = new HashSet();
}
previousNames_.add(attributeValue);
}
super.setAttributeNS(namespaceURI, qualifiedName, attributeValue);
}
/**
* {@inheritDoc}
*/
public String getOriginalName() {
return originalName_;
}
/**
* {@inheritDoc}
*/
public Collection getPreviousNames() {
return previousNames_;
}
}