package org.quickbundle.mda.mvm;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.RandomAccessFile;
import java.sql.Timestamp;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import javax.xml.transform.TransformerException;
import org.quickbundle.mda.RmTransform;
import org.quickbundle.tools.helper.io.RmFileHelper;
import org.quickbundle.tools.helper.xml.RmXmlHelper;
public class TemplateHelper {
public static String getJavaFileDescComment(String outputFile) {
StringBuilder result = new StringBuilder();
result.append("//代码生成时,文件路径: ")
.append(RmXmlHelper.formatToUrlNoPrefix(outputFile))
.append("\n")
.append("//代码生成时,系统时间:")
.append(getSysDateTime())
.append(", 操作系统用户:")
.append(System.getProperty("user.name"))
.append("\n\n");
return result.toString();
}
private static String getSysDateTime() {
return new Timestamp(System.currentTimeMillis()).toString().substring(0,19);
}
/**
* 功能:输出转化文件
*
* @param xsltPath
* @param myTableDoc
* @param outputFile
* @throws TransformerException
*/
public static void outPutFile(String xsltPath, String myTableXml, String outputFile) {
outputFile = RmXmlHelper.formatToFile(outputFile);
RmFileHelper.initParentDir(outputFile); //创建父目录
try {
String context = RmTransform.getStringFromTransform(xsltPath, myTableXml);
if (outputFile.endsWith(".java")) {
context = getJavaFileDescComment(outputFile) + context;
}
RmFileHelper.saveFile(context, outputFile);
} catch (Exception e) {
EclipseLog.logError("xslt=" + xsltPath + ", metaXml=" + myTableXml + "," + e.toString(), e);
e.printStackTrace();
}
}
/**
* 功能:转化文件，模板有初始化参数
*
* @param xsltPath
* @param myTableXml
* @param outputFile
* @param mAttribute
*/
public static void outPutFile4ResultDocument(String xsltPath, String myTableXml, String outputFolder) {
outPutFile4ResultDocument(xsltPath, myTableXml, outputFolder, null);
}
/**
* 功能:转化文件，模板有初始化参数
*
* @param xsltPath
* @param myTableXml
* @param outputFile
* @param mAttribute
*/
public static void outPutFile4ResultDocument(String xsltPath, String myTableXml, String outputFolder, String outputFile) {
RmFileHelper.initSelfDir(RmXmlHelper.formatToFile(outputFolder));
if(outputFile != null && outputFile.length() > 0) {
outputFile = RmXmlHelper.formatToFile(outputFile);
RmFileHelper.initParentDir(outputFile); //创建目录
}
Map<String, Object> mAttribute = new HashMap<String, Object>();
mAttribute.put("targetFullPath", RmXmlHelper.formatToUrl(outputFolder));
try {
String context = RmTransform.getStringFromTransform(xsltPath, myTableXml, mAttribute);
if(outputFile != null) {
if (outputFile.endsWith(".java")) {
context = getJavaFileDescComment(outputFile) + context;
}
RmFileHelper.saveFile(context, outputFile);
}
} catch (Exception e) {
EclipseLog.logError("xslt=" + xsltPath + ", metaXml=" + myTableXml + "," + e.toString(), e);
e.printStackTrace();
}
{//如果目录为空则删除
removeFolderIfEmpty(outputFolder);
if(outputFile != null && outputFile.length() > 0) {
removeParentFolderIfEmpty(outputFile);
}
}
}
static void removeFolderIfEmpty(String folder) {
File fTargetFolder = new File(RmXmlHelper.formatToFile(folder));
if(fTargetFolder.isDirectory() && fTargetFolder.list().length == 0) {
fTargetFolder.delete();
}
}
static void removeParentFolderIfEmpty(String file) {
File fTargetFolder = new File(RmXmlHelper.formatToFile(file)).getParentFile();
if(fTargetFolder.isDirectory() && fTargetFolder.list().length == 0) {
fTargetFolder.delete();
}
}
/**
* 功能:输出转化后的字符到指定文件
*
* @param xsltPath
* @param myTableDoc
* @param outputFile
* @param afterKeyWord
*/
public static void outPutFile(String xsltPath, String myTableXml, String outputFile, String afterKeyWord, boolean rowIsUnique) {
outputFile = RmXmlHelper.formatToUrl(outputFile);
RmFileHelper.initParentDir(outputFile); //创建父目录
String context = "";
try {
context = RmTransform.getStringFromTransform(xsltPath, myTableXml);
} catch (Exception e) {
EclipseLog.logError("xslt=" + xsltPath + ", metaXml=" + myTableXml + "," + e.toString(), e);
e.printStackTrace();
}
writeToRandomFile(outputFile, context, afterKeyWord, rowIsUnique);
}
/**
* 功能: 随机访问文件tartetPath,把context插到afterKeyWord后边
*
* @param outputFile
* @param context
* @param afterKeyWord
*/
public static void writeToRandomFile(String outputFile, String content, String afterKeyWord, boolean rowIsUnique) {
BufferedReader in = null;
RandomAccessFile rf = null;
outputFile = RmXmlHelper.formatToFile(outputFile);
StringBuffer outputFileStr = new StringBuffer();
try {
if (new File(outputFile).exists()) { //检查是否已经存在相同代码
in = new BufferedReader(new InputStreamReader(new FileInputStream(outputFile), "UTF-8"));
String s1 = null;
while ((s1 = in.readLine()) != null) {
outputFileStr.append(s1 + "\n");
}
if (outputFileStr.toString().indexOf(content.trim()) >= 0) { //已经存在 （截掉制表符，减少重复写入文件的可能）
return;
}
}
if(rowIsUnique) { //如果每一行数据不能重复
Set<String> sOutputFileRow = new HashSet<String>();
String[] aOutputFileRow = outputFileStr.toString().split("\n");
for (int i = 0; i < aOutputFileRow.length; i++) {
if(aOutputFileRow[i].trim().length() > 0) {
sOutputFileRow.add(aOutputFileRow[i].trim());
}
}
outputFileStr = null;
//开始找位置
String line = null;
long position = 0;
rf = new RandomAccessFile(outputFile, "rw");
while (true) {
line = rf.readLine();
if (line != null) {
if (line.trim().equals(afterKeyWord)) {
position = rf.getFilePointer();
break;
}
} else {
position = rf.getFilePointer();
break;
}
}
StringBuffer originRemain = new StringBuffer();
while ((line = rf.readLine()) != null) {
originRemain.append(line + "\n");
}
rf.seek(position);
//开始写文件
String[] aContentRow = content.split("\n");
for (int i = 0; i < aContentRow.length; i++) {
String tempContentRow = null;
if(sOutputFileRow.contains(aContentRow[i].trim())) { //如果出现重复行
if(outputFile.endsWith("xml")) {
tempContentRow = "<!--" + aContentRow[i] + "-->";
} else if(outputFile.endsWith("java")) {
tempContentRow = "//" + aContentRow[i];
} else if(outputFile.endsWith("properties")) {
tempContentRow = "#" + aContentRow[i];
}
} else {
tempContentRow = aContentRow[i];
}
tempContentRow += "\n";
rf.write(tempContentRow.getBytes("UTF-8"));
}
rf.writeBytes(originRemain.toString());
} else { //每一行数据可以重复
//开始找位置
String line = null;
long position = 0;
rf = new RandomAccessFile(outputFile, "rw");
while (true) {
line = rf.readLine();
if (line != null) {
if (line.trim().equals(afterKeyWord)) {
position = rf.getFilePointer();
break;
}
} else {
position = rf.getFilePointer();
break;
}
}
StringBuffer originRemain = new StringBuffer();
while ((line = rf.readLine()) != null) {
originRemain.append(line + "\n");
}
rf.seek(position);
//开始写文件
rf.write(content.getBytes("UTF-8"));
//rf.write(new String(originRemain.getBytes("iso8859-1"),"UTF-8").getBytes("UTF-8"));
rf.writeBytes(originRemain.toString());
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if(in != null) {
in.close();
}
if (rf != null) {
rf.close();
}
} catch (IOException e2) {
e2.printStackTrace();
}
}
}
}