com.codename1.processing.SubContent Maven / Gradle / Ivy
/*
* Copyright (c) 2012, Eric Coolman, Codename One and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Codename One designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Codename One through http://www.codenameone.com/ if you
* need additional information or have any questions.
*/
package com.codename1.processing;
import java.util.ArrayList;
import java.util.Map;
import java.util.List;
import java.util.Vector;
/**
* Internal class, do not use.
*
* An accessor implementation for working with subset of data.
*
* @author Eric Coolman
*
*/
class SubContent implements StructuredContent {
private List root;
private StructuredContent parent;
/**
* Construct from subset of content.
*
* @param content subset content
*/
public SubContent(List content) {
this.root = content;
}
/**
* INTERNAL - link a node to it's parent so we can traverse backwards when
* required.
*
* @param content a subset of data.
* @param parent the parent element of content.
*/
SubContent(List content, StructuredContent parent) {
this.root = content;
this.parent = parent;
}
/*
* (non-Javadoc)
*
* @see
* com.codename1.processing.StructuredContent#getChildren(java.lang.String)
*/
public List getChildren(String name) {
List v;
if (root instanceof Vector) {
v = new Vector();
} else {
v = new ArrayList();
}
for (StructuredContent sc : root) {
v.addAll(sc.getChildren(name));
}
return v;
}
/*
* (non-Javadoc)
*
* @see com.codename1.processing.StructuredContent#getChild(int)
*/
public StructuredContent getChild(int index) {
if (root != null && root.size() > 0) {
return root.get(0).getChild(0);
}
return null;
}
/*
* (non-Javadoc)
*
* @see
* com.codename1.processing.StructuredContent#getDescendants(java.lang.String
* )
*/
public List getDescendants(String name) {
List v;
if (root instanceof Vector) {
v = new Vector();
} else {
v = new ArrayList();
}
for (StructuredContent sc : root) {
v.addAll(sc.getDescendants(name));
}
return v;
}
/*
* (non-Javadoc)
*
* @see
* com.codename1.processing.StructuredContent#getAttribute(java.lang.String)
*/
public String getAttribute(String name) {
return null;
}
/*
* (non-Javadoc)
*
* @see com.codename1.processing.StructuredContent#getAttributes()
*/
public Map getAttributes() {
return null;
}
/*
* (non-Javadoc)
*
* @see com.codename1.processing.StructuredContent#getParent()
*/
public StructuredContent getParent() {
return parent;
}
/*
* (non-Javadoc)
*
* @see com.codename1.processing.StructuredContent#getText()
*/
public String getText() {
return null;
}
/*
* (non-Javadoc)
*
* @see com.codename1.processing.StructuredContent#getNativeRoot()
*/
public Object getNativeRoot() {
if (parent != null) {
return parent.getNativeRoot();
}
return null;
}
}