Java HTMLCollection类代码示例

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
private String getEffectiveUrl() throws IOException {
    StringBuffer spec = new StringBuffer( getAction() );
    if ("get".equalsIgnoreCase( getMethod() )) {
        URLEncodedString parameters = new URLEncodedString();
        HTMLCollection controls = getElements();
        for (int i = 0; i < controls.getLength(); i++) {
            ((HTMLControl) controls.item( i )).addValues( parameters, "us-ascii" );
        }
        if ((spec.indexOf( "?" ) >= 0) && !(spec.toString().endsWith( "?" ))) {
            spec.append( '&' );
        } else {
            spec.append( '?' );
        }
        spec.append( parameters.getString() );
    }
    return new URL( getDomWindow().getUrl(), spec.toString() ).toExternalForm();
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
public void setCells( HTMLCollection cells )
{
    Node    child;
    int        i;
    
    child = getFirstChild();
    while ( child != null ) {
        removeChild( child );
        child = child.getNextSibling();
    }
    i = 0;
    child = cells.item( i );
    while ( child != null ) {
        appendChild ( child );
        ++i;
        child = cells.item( i );
    }
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
/**
 * Returns an array of form parameter attributes for this form.
 **/
private FormControl[] getFormControls() {
    HTMLCollection controlElements = _domElement.getElements();
    FormControl[] controls = new FormControl[ controlElements.getLength() ];
    for (int i = 0; i < controls.length; i++) {
        controls[i] = getControlForNode( controlElements.item( i ) );
    }
    return controls;
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
public Object get( String propertyName, Scriptable scriptable ) {
    HTMLCollection elements = getElements();
    for (int i=0; i < elements.getLength(); i++) {
        Node node = elements.item( i );
        NamedNodeMap attributes = node.getAttributes();
        AttrImpl nameAttribute = (AttrImpl) attributes.getNamedItem( "name" );
        if (nameAttribute != null && propertyName.equals( nameAttribute.getValue() )) return node;
        AttrImpl idAttribute = (AttrImpl) attributes.getNamedItem( "id" );
        if (idAttribute != null && propertyName.equals( idAttribute.getValue() )) return node;
    }
    return  super.get( propertyName, scriptable );
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
public HTMLCollection getElements() {
    ArrayList elements = new ArrayList();
    String[] names = new String[]{"INPUT", "TEXTAREA", "BUTTON", "SELECT"};
    for (Iterator each = preOrderIteratorAfterNode(); each.hasNext();) {
        Node node = (Node) each.next();
        if (node instanceof HTMLFormElement) break;

        if (node.getNodeType() != ELEMENT_NODE) continue;
        String tagName = ((Element) node).getTagName();
        for (int i = 0; i < names.length; i++) {
            if (tagName.equalsIgnoreCase( names[i] )) elements.add( node );
        }
    }
    return HTMLCollectionImpl.createHTMLCollectionImpl( new NodeListImpl( elements ) );
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
public void reset() {
    HTMLCollection elements = getElements();
    for (int i = 0; i < elements.getLength(); i++) {
        Node node = elements.item(i);
        if (node instanceof HTMLControl) ((HTMLControl) node).reset();
    }
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
private HTMLFormElement getPreviousForm( HTMLFormElement nextForm ) {
    HTMLCollection forms = getHtmlDocument().getForms();
    for (int i = 0; i < forms.getLength(); i++) {
        if (nextForm == forms.item( i )) return i == 0 ? null : (HTMLFormElement) forms.item( i-1 );
    }
    return null;
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
public int getSelectedIndex() {
    HTMLCollection options = getOptions();
    for (int i = 0; i < options.getLength(); i++) {
        if (((HTMLOptionElement)options.item(i)).getSelected()) return i;
    }
    return isMultiSelect() ? -1 : 0;
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
public String getValue() {
    HTMLCollection options = getOptions();
    for (int i = 0; i < options.getLength(); i++) {
        HTMLOptionElement optionElement = ((HTMLOptionElement)options.item(i));
        if (optionElement.getSelected()) return optionElement.getValue();
    }
    return (isMultiSelect() || options.getLength() == 0) ? null : ((HTMLOptionElement)options.item(0)).getValue();
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
public void setSelectedIndex( int selectedIndex ) {
    HTMLCollection options = getOptions();
    for (int i = 0; i < options.getLength(); i++) {
        HTMLOptionElementImpl optionElement = (HTMLOptionElementImpl) options.item(i);
        optionElement.setSelected( i == selectedIndex );
    }
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
int getIndexOf( HTMLOptionElementImpl option ) {
    HTMLCollection options = getOptions();
    for (int i = 0; i < options.getLength(); i++) {
        if (options.item(i) == option) return i;
    }
    throw new IllegalStateException( "option is not part of this select" );
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
void addValues( ParameterProcessor processor, String characterSet ) throws IOException {
    HTMLCollection options = getOptions();
    String name = getName();
    for (int i = 0; i < options.getLength();i++) {
        ((HTMLOptionElementImpl) options.item( i )).addValueIfSelected( processor, name, characterSet );
    }
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
public void reset() {
    HTMLCollection options = getOptions();
    for (int i = 0; i < options.getLength(); i++) {
        HTMLControl optionElement = (HTMLControl) options.item(i);
        optionElement.reset();
    }
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
public void setChecked( boolean checked ) {
    if (checked) {
        HTMLCollection elements = getForm().getElements();
        for (int i = 0; i < elements.getLength(); i++) {
            Node node = elements.item(i);
            if (!(node instanceof HTMLInputElementImpl)) continue;
            HTMLInputElementImpl input = (HTMLInputElementImpl) node;
            if (getName().equals( input.getName() ) && input.getType().equalsIgnoreCase( "radio" )) input.setState( false );
        }
    }
    setState( checked );
}
 

import org.w3c.dom.html.HTMLCollection; //导入依赖的package包/类
/**
 * get Links for a given Node
 * @param rootNode
 * @return
 */
HTMLCollection getLinks( NodeImpl rootNode ) {
    ArrayList elements = new ArrayList();
    for (Iterator each = rootNode.preOrderIteratorAfterNode( _iteratorMask ); each.hasNext();) {
        Node node = (Node) each.next();
        if (node.getNodeType() != Node.ELEMENT_NODE) continue;

        if (ParsedHTML.isWebLink(node)) {
            elements.add( node );
        }
    }
    return HTMLCollectionImpl.createHTMLCollectionImpl( new NodeListImpl( elements ) );
}