org.seleniumhq.selenium.fluent.internal.Context Maven / Gradle / Ivy

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package org.seleniumhq.selenium.fluent.internal;

import org.openqa.selenium.By;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

public class Context implements Iterable {

    private List elems = new ArrayList();

    public Iterator iterator() {
        return Collections.unmodifiableList(elems).iterator();
    }

    public static Context singular(Context previous, String tagName, By by) {
        return make(previous, tagName, by, null);
    }

    private static Context make(Context previous, String tagName, By by, Object arg) {
        Context ctx = new Context();
        if (previous != null) {
            ctx.elems.addAll(previous.elems);
        }
        ctx.elems.add(new ContextElem(tagName, by, arg));
        return ctx;
    }

    public static Context plural(Context previous, String tagName, By by) {
        return make(previous, tagName + "s", by, null);
    }

    public static Context singular(Context previous, String tagName) {
        return make(previous, tagName, null, null);
    }

    public static Context singular(Context context, String tagName, Object arg) {
        return make(context, tagName, null, arg);
    }

    public static Context singular(Context previous, String tagName, By by, Object arg) {
        return make(previous, tagName, by, arg);
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder("?");
        for (ContextElem elem : elems) {
            sb.append(elem.toString());
        }
        return sb.toString();
    }
}