corner.payment.services.impl.view.AlipayViewHelper.java Source code

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Here is the source code for corner.payment.services.impl.view.AlipayViewHelper.java

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/* 
 * Copyright 2009 The Corner Team.
 * 
 * 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 corner.payment.services.impl.view;

import org.apache.commons.codec.digest.DigestUtils;
import org.apache.tapestry5.MarkupWriter;
import org.apache.tapestry5.json.JSONObject;

/**
 * ???
 * @author <a href="jun.tsai@ganshane.net">Jun Tsai</a>
 * @version $Revision$
 * @since 0.0.2
 */
public class AlipayViewHelper extends AbstractViewHelper {

    private static final JSONObject DEFAULT_OPTIONS = new JSONObject();
    static {
        DEFAULT_OPTIONS.put("account", "finance@1king1.com");
    }

    private String key;

    public AlipayViewHelper(MarkupWriter writer, JSONObject options, String partner, String key) {
        super(writer, options);

        this.getMapping().put("charset", "_input_charset");
        this.getMapping().put("description", "body");
        this.getMapping().put("account", "partner");
        this.getMapping().put("amount", "total_fee");
        this.getMapping().put("order", "out_trade_no");
        this.getMapping().put("seller", "seller_email");
        this.getMapping().put("notify_url", "notify_url");
        this.getMapping().put("return_url", "return_url");
        this.getMapping().put("show_url", "show_url");
        this.getMapping().put("description", "body");
        this.getMapping().put("charset", "_input_charset");
        this.getMapping().put("service", "service");
        this.getMapping().put("payment_type", "payment_type");
        this.getMapping().put("subject", "subject");
        this.key = key;

        options.put("account", partner);
    }

    /**
     * @see corner.payment.services.ViewHelper#sign()
     */
    @Override
    public void sign() {
        String[] signParameter = new String[] { "charset", "description", "defaultbank", "notify_url", "order",
                "account", "payment_type", "paymethod", "return_url", "seller", "service", "show_url", "subject",
                "total_fee" };
        StringBuffer sb = new StringBuffer();

        for (String p : signParameter) {
            String v = this.getOptionValue(p);
            if (v == null) {
                continue;
            }
            sb.append(this.getFieldNameMapped(p));
            sb.append("=");
            sb.append(v);
            sb.append("&");
        }
        sb.setLength(sb.length() - 1);
        sb.append(this.key);
        System.out.println("from corner:");
        System.out.println(sb.toString());
        this.addField("sign", DigestUtils.md5Hex(sb.toString()));
        this.addField("sign_type", "MD5");
    }

    /**
     * @see corner.payment.services.impl.view.AbstractViewHelper#outputFieldInformation(org.apache.tapestry5.json.JSONObject)
     */
    @Override
    public void outputFieldInformation() {
        super.outputFieldInformation();
        this.sign();
    }

}