com.opengamma.web.bundle.BundleUtils.java Source code

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Here is the source code for com.opengamma.web.bundle.BundleUtils.java

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/**
 * Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.web.bundle;

import java.io.IOException;
import java.util.List;

import org.apache.commons.io.IOUtils;

import com.opengamma.DataNotFoundException;
import com.opengamma.util.ArgumentChecker;

/**
 * Utility to assist in the creation of bundles in HTML.
 */
public final class BundleUtils {

    /**
     * Builds the imports for a bundle.
     * 
     * @param bundle  the bundle, not null
     * @param webBundleUris  the URI helper, not null
     * @return the bundle HTML import text, not null
     */
    public static String buildImports(Bundle bundle, WebBundlesUris webBundleUris) {
        ArgumentChecker.notNull(bundle, "bundle");
        ArgumentChecker.notNull(webBundleUris, "webBundleUris");

        StringBuilder buf = new StringBuilder();
        List<BundleNode> childNodes = bundle.getChildNodes();
        for (BundleNode node : childNodes) {
            if (node instanceof Bundle) {
                Bundle nodeBundle = (Bundle) node;
                buf.append("@import url('");
                buf.append(webBundleUris.bundle(DeployMode.DEV, nodeBundle.getId()));
                buf.append("');\n");
            }
            if (node instanceof Fragment) {
                Fragment fragment = (Fragment) node;
                buf.append("@import url('" + fragment.getPath() + "');\n");
            }
        }
        return buf.toString();
    }

    /**
     * Reads and combines a bundle.
     * 
     * @param bundle  the bundle to read, not null
     * @return the combined source code, not null
     */
    public static String readBundleSource(Bundle bundle) {
        List<Fragment> allFragments = bundle.getAllFragments();
        StringBuilder buf = new StringBuilder(1024);
        for (Fragment fragment : allFragments) {
            try {
                buf.append(IOUtils.toString(fragment.getUri()));
                buf.append("\n");
            } catch (IOException ex) {
                throw new DataNotFoundException("IOException reading " + fragment.getUri());
            }
        }
        return buf.toString();
    }

}