article.java

JEECSM是JavaEE版网站管理系统（Java Enterprise Edition Content Manage System）的简称。 基于java技术开发

package com.jeecms.article.entity;

import static com.jeecms.core.Constants.SPT;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.jeecms.article.entity.base.BaseArticle;

public class Article extends BaseArticle {
	private static final long serialVersionUID = 1L;
	private static final Log log = LogFactory.getLog(Article.class);
	/**
	 * 文章表内容的存放地址
	 */
	public static final String ARTICLE_PATH = "article_content";
	public static final String SUFFIX = ".txt";
	public static final int SPLIT_COUNT = 1000;
	public static final String SPLIT = "<div>--NextPage--</div>";

	/**
	 * 获得url地址
	 * 
	 * @return
	 */
	public String getUrl() {
		if (!StringUtils.isBlank(getOuterUrl())) {
			return getOuterUrl();
		}
		StringBuilder sb = getWebsite().getWebUrlBuf();
		String path = getChannel().getPath();
		if (!StringUtils.isBlank(path)) {
			sb.append(SPT).append(path);
		}
		sb.append(SPT).append(getId()).append(".").append(
				getWebsite().getSuffix());
		return sb.toString();
	}

	/**
	 * 选择模板
	 * 
	 * @return
	 */
	// @ TODO 处理文章指定模板
	public String chooseTpl() {
		return getChannel().chooseTplContent();
	}

	/**
	 * 获得第N页的内容相对路径。用户包含文件。
	 * 
	 * @param pageNo
	 * @return
	 */
	public String relPath(int pageNo) {
		StringBuilder sb = getWebsite().getUserRoot();
		sb.append(SPT).append(ARTICLE_PATH).append(SPT).append(
				(getId() / SPLIT_COUNT) + 1).append(SPT).append(getId())
				.append("_").append(pageNo).append(SUFFIX);
		return sb.toString();
	}

	/**
	 * 获得第N页的绝对地址
	 * 
	 * @param root
	 * @param pageNo
	 * @return
	 */
	private String getRealPath(String root, int pageNo) {
		StringBuilder sb = new StringBuilder(root);
		sb.append(relPath(pageNo));
		return sb.toString().replace(SPT, File.separatorChar);
	}

	/**
	 * 从文件读取内容
	 * 
	 * @return
	 */
	public String getContentFromFile() {
		if (rootReal == null) {
			throw new RuntimeException("请先设置服务器绝对路径rootReal");
		}
		return getContentFromFile(rootReal);
	}

	/**
	 * 从文件读取内容
	 * 
	 * @param root
	 * @return
	 */
	public String getContentFromFile(String root) {
		// @ TODO 处理资源路径、域名、防盗链路径改变的问题
		StringBuilder sb = new StringBuilder();
		try {
			File f = null;
			Integer count = getPageCount();
			if (count == null) {
				count = 0;
			}
			for (int i = 0; i < count; i++) {
				f = new File(getRealPath(root, i + 1));
				sb.append(FileUtils.readFileToString(f));
				if (i + 1 < count) {
					sb.append(SPLIT);
				}
			}
		} catch (IOException e) {
			log.error("读取文章内容失败", e);
		}
		return sb.toString();
	}

	/**
	 * 删除文章文件
	 * 
	 * @param root
	 */
	public void deleteContentFile(String root) {
		File f = null;
		Integer count = getPageCount();
		if (count == null) {
			count = 0;
		}
		for (int i = 0; i < count; i++) {
			f = new File(getRealPath(root, i + 1));
			f.deleteOnExit();
		}
	}

	/**
	 * 将内容写入文件。并删除多余分页。
	 * 
	 * @param origCount
	 *            原有分页。0为原文章没有内容
	 * 
	 * @param root
	 */
	public void writeContent(String root, int origCount) {
		String c = getContent();
		if (StringUtils.isEmpty(c)) {
			return;
		}
		String[] arr = c.split(SPLIT);
		try {
			int currCount = arr.length;
			for (int i = 0; i < currCount; i++) {
				File f = new File(getRealPath(root, i + 1));
				FileUtils.writeStringToFile(f, arr[i]);
			}
			for (int i = currCount; i < origCount; i++) {
				File f = new File(getRealPath(root, i + 1));
				f.deleteOnExit();
			}
		} catch (IOException e) {
			log.error("写文章内容失败", e);
		}
	}

	/**
	 * 获得内容中的页数
	 * 
	 * @return
	 */
	public int getPageCountFromContent() {
		String c = getContent();
		if (StringUtils.isEmpty(c)) {
			return 0;
		} else {
			return StringUtils.countMatches(getContent(), SPLIT) + 1;
		}
	}

	private String content;
	private String rootReal;

	/* [CONSTRUCTOR MARKER BEGIN] */
	public Article() {
		super();
	}

	/**
	 * Constructor for primary key
	 */
	public Article(java.lang.Long id) {
		super(id);
	}

	/**
	 * Constructor for required fields
	 */
	public Article(java.lang.Long id, com.jeecms.cms.entity.CmsChannel channel,
			com.jeecms.core.entity.Website website, java.lang.Boolean draft,
			java.lang.Boolean recommend, java.lang.Boolean check,
			java.lang.Boolean disabled, java.lang.Boolean reject) {

		super(id, channel, website, draft, recommend, check, disabled, reject);
	}

	/* [CONSTRUCTOR MARKER END] */

	public String getContent() {
		return content;
	}

	public void setContent(String content) {
		this.content = content;
	}

	public String getRootReal() {
		return rootReal;
	}

	public void setRootReal(String rootReal) {
		this.rootReal = rootReal;
	}
}