ua.com.manometer.jasperreports.JasperReportsViewResolver.java Source code

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/*
 * Copyright 2002-2010 the original author or authors.
 *
 * 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 ua.com.manometer.jasperreports;

import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import javax.sql.DataSource;

import org.springframework.web.servlet.view.AbstractUrlBasedView;
import org.springframework.web.servlet.view.UrlBasedViewResolver;

/**
 * {@link org.springframework.web.servlet.ViewResolver} implementation that
 * resolves instances of {@link AbstractJasperReportsView} by translating
 * the supplied view name into the URL of the report file.
 * 
 * @author Rob Harrop
 * @since 1.2.6
 */
public class JasperReportsViewResolver extends UrlBasedViewResolver {

    private String reportDataKey;

    private Properties subReportUrls;

    private String[] subReportDataKeys;

    private Properties headers;

    private Map<String, Object> exporterParameters = new HashMap<String, Object>();

    private DataSource jdbcDataSource;

    /**
     * Requires the view class to be a subclass of {@link AbstractJasperReportsView}.
     */
    @Override
    protected Class requiredViewClass() {
        return AbstractJasperReportsView.class;
    }

    /**
     * Set the <code>reportDataKey</code> the view class should use.
     * @see AbstractJasperReportsView#setReportDataKey
     */
    public void setReportDataKey(String reportDataKey) {
        this.reportDataKey = reportDataKey;
    }

    /**
     * Set the <code>subReportUrls</code> the view class should use.
     * @see AbstractJasperReportsView#setSubReportUrls
     */
    public void setSubReportUrls(Properties subReportUrls) {
        this.subReportUrls = subReportUrls;
    }

    /**
     * Set the <code>subReportDataKeys</code> the view class should use.
     * @see AbstractJasperReportsView#setSubReportDataKeys
     */
    public void setSubReportDataKeys(String[] subReportDataKeys) {
        this.subReportDataKeys = subReportDataKeys;
    }

    /**
     * Set the <code>headers</code> the view class should use.
     * @see AbstractJasperReportsView#setHeaders
     */
    public void setHeaders(Properties headers) {
        this.headers = headers;
    }

    /**
     * Set the <code>exporterParameters</code> the view class should use.
     * @see AbstractJasperReportsView#setExporterParameters
     */
    public void setExporterParameters(Map<String, Object> exporterParameters) {
        this.exporterParameters = exporterParameters;
    }

    /**
     * Set the {@link DataSource} the view class should use.
     * @see AbstractJasperReportsView#setJdbcDataSource
     */
    public void setJdbcDataSource(DataSource jdbcDataSource) {
        this.jdbcDataSource = jdbcDataSource;
    }

    @Override
    protected AbstractUrlBasedView buildView(String viewName) throws Exception {
        AbstractJasperReportsView view = (AbstractJasperReportsView) super.buildView(viewName);
        view.setReportDataKey(this.reportDataKey);
        view.setSubReportUrls(this.subReportUrls);
        view.setSubReportDataKeys(this.subReportDataKeys);
        view.setHeaders(this.headers);
        view.setExporterParameters(this.exporterParameters);
        view.setJdbcDataSource(this.jdbcDataSource);
        return view;
    }

}