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com.sqlapp.graphviz.GraphStringBuilder Maven / Gradle / Ivy
/**
* Copyright (C) 2007-2017 Tatsuo Satoh
*
* This file is part of sqlapp-graphviz.
*
* sqlapp-graphviz is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* sqlapp-graphviz is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with sqlapp-graphviz. If not, see elements=new ArrayList<>();
private Map map=new TreeMap<>();
private boolean withLineBreak=true;
/**
* インデントレベル
*/
private int indentLevel = 0;
/**
* インデント文字
*/
private String indentString = "\t";
private String open="[";
private String close="]";
private boolean withLastSemiColon=true;
/**
* 現在のインデント文字列
*/
private String currentIndentString = null;
public GraphStringBuilder(){
this.name=null;
}
public GraphStringBuilder(String name){
this.name=name;
}
private String name;
public GraphStringBuilder put(Object value){
this.elements.add(value);
return instance();
}
public GraphStringBuilder put(String name, Object value){
if (value==null){
return instance();
}
if (value instanceof String){
return put(name, (String)value);
}else if (value instanceof Number){
return put(name, (Number)value);
}else if (value instanceof Enum){
return put(name, (Enum)value);
}else if (value instanceof Color[]){
return put(name, (Color[])value);
}else if (value instanceof ArrowType[]){
return put(name, (ArrowType[])value);
}
return put(name, value.toString());
}
public GraphStringBuilder put(String name, String value){
return putInternal(name, value, ()->escapedValue(value));
}
public GraphStringBuilder putNoEscape(String name, String value){
return putInternal(name, value, ()->value);
}
private String escapedValue(String value){
return "\""+value+"\"";
}
public GraphStringBuilder put(String name, Number value){
return putInternal(name, value, ()->value.toString());
}
public GraphStringBuilder put(String name, Enum value){
return putInternal(name, value, ()->value.toString());
}
public GraphStringBuilder put(String name, Color... value){
return putInternal(name, value, ()->toString(value));
}
public GraphStringBuilder put(String name, String... args){
return putInternal(name, args, ()->toString(args));
}
public GraphStringBuilder put(String name, double... args){
return putInternal(name, args, ()->toString(args));
}
public GraphStringBuilder put(String name, ArrowType... args){
return putInternal(name, args, ()->toString(args));
}
protected GraphStringBuilder putInternal(String name, T value, Supplier supplier){
if (value==null){
if (map.containsKey(name)){
map.remove(name);
}
return instance();
}
map.put(name, supplier.get());
return instance();
}
private String toString(String... args){
if (args==null||args.length==0){
return null;
}
StringBuilder builder=new StringBuilder();
builder.append("\"");
boolean first=true;
for(String arg:args){
if (!first){
builder.append(",");
} else{
first=false;
}
builder.append(arg);
}
builder.append("\"");
return builder.toString();
}
private String toString(double... args){
if (args==null||args.length==0){
return null;
}
StringBuilder builder=new StringBuilder();
builder.append("\"");
boolean first=true;
for(double arg:args){
if (!first){
builder.append(",");
} else{
first=false;
}
builder.append(arg);
}
builder.append("\"");
return builder.toString();
}
private String toString(Color... value){
if (value==null||value.length==0){
return null;
}
StringBuilder builder=new StringBuilder();
builder.append("\"");
boolean first=true;
for(Color color:value){
if (!first){
builder.append(":");
} else{
first=false;
}
builder.append(color);
}
builder.append("\"");
return builder.toString();
}
private String toString(ArrowType... args){
if (args==null||args.length==0){
return null;
}
StringBuilder builder=new StringBuilder();
builder.append("\"");
for(ArrowType arg:args){
builder.append(arg);
}
builder.append("\"");
return builder.toString();
}
public GraphStringBuilder put(String name, Boolean value){
if (value==null){
if (map.containsKey(name)){
map.remove(name);
}
return instance();
}
map.put(name, value.toString());
return instance();
}
protected GraphStringBuilder instance(){
return this;
}
@Override
public String toString(){
StringBuilder builder=new StringBuilder();
if (name!=null&&name.length()>0){
builder.append(name);
} else{
if (isEmpty()){
return "";
}
}
if (isEmpty()){
if (isWithLastSemiColon()){
builder.append(";");
}
return builder.toString();
}
builder.append(" ").append(this.getOpen());
this.addIndentLevel(1);
for(Object obj:elements){
if (obj==null){
continue;
}
if (withLineBreak){
lineBreak(builder);
}
builder.append(obj.toString());
}
boolean first=true;
for(Map.Entry entry:map.entrySet()){
if (entry.getValue()==null){
continue;
}
if (withLineBreak){
lineBreak(builder);
}
if (!first){
builder.append(", ");
} else{
first=false;
}
String value=entry.getValue().toString();
builder.append(entry.getKey());
builder.append("=");
appendValue(builder, value);
}
this.addIndentLevel(-1);
if (withLineBreak){
lineBreak(builder);
}
builder.append(this.getClose());
if (name!=null&&(name.startsWith("graph")||name.startsWith("digraph")||name.startsWith("subgraph"))){
if (!";".equals(this.getClose())){
if ("}".equals(this.getClose())){
} else{
if (isWithLastSemiColon()){
builder.append(";");
}
}
}
} else{
if (isWithLastSemiColon()){
if (!";".equals(this.getClose())){
builder.append(";");
}
}
}
return builder.toString();
}
private GraphStringBuilder lineBreak(StringBuilder builder){
builder.append("\n");
indent(builder);
return instance();
}
private GraphStringBuilder appendValue(StringBuilder builder, String value){
builder.append(value);
return instance();
}
/**
* @return the open
*/
public String getOpen() {
return open;
}
/**
* @param open the open to set
* @return instance
*/
public GraphStringBuilder setOpen(String open) {
this.open = open;
return instance();
}
/**
* @return the close
*/
public String getClose() {
return close;
}
/**
* @param close the close to set
* @return instance
*/
public GraphStringBuilder setClose(String close) {
this.close = close;
return instance();
}
/**
* @return the indentLevel
*/
public int getIndentLevel() {
return indentLevel;
}
/**
* @param indentLevel
* the indentLevel to set
* @return instance
*/
public GraphStringBuilder setIndentLevel(int indentLevel) {
if (indentLevel >= 0) {
this.indentLevel = indentLevel;
this.currentIndentString = getString(this.indentString, indentLevel);
}
return instance();
}
public GraphStringBuilder addIndentLevel(int addCount) {
setIndentLevel(this.getIndentLevel() + addCount);
return instance();
}
/**
* @return the indentString
*/
public String getIndentString() {
return indentString;
}
/**
* @param indentString
* the indentString to set
* @return instance
*/
public GraphStringBuilder setIndentString(String indentString) {
this.indentString = indentString;
return setIndentLevel(this.getIndentLevel());
}
/**
* インデントの出力
*
* @throws XMLStreamException
* @return instance
*/
private GraphStringBuilder indent(StringBuilder builder) {
builder.append(this.currentIndentString);
return instance();
}
/**
* 指定した文字、長さの文字列を取得します
*
* @param val
* 指定文字
* @param size
* 長さ
* @return 指定した文字、長さの文字列
*/
private String getString(final String val, final int size) {
StringBuilder builder = new StringBuilder(val.length() * size);
for (int i = 0; i < size; i++) {
builder.append(val);
}
return builder.toString();
}
public boolean isEmpty(){
return map.isEmpty()&&elements.isEmpty()&&map.isEmpty();
}
/**
* @return the withLineBreak
*/
public boolean isWithLineBreak() {
return withLineBreak;
}
/**
* @param withLineBreak the withLineBreak to set
* @return instance
*/
public GraphStringBuilder setWithLineBreak(boolean withLineBreak) {
this.withLineBreak = withLineBreak;
return this.instance();
}
/**
* @return the withLastSemiColon
*/
public boolean isWithLastSemiColon() {
return withLastSemiColon;
}
/**
* @param withLastSemiColon the withLastSemiColon to set
* @return instance
*/
public GraphStringBuilder setWithLastSemiColon(boolean withLastSemiColon) {
this.withLastSemiColon = withLastSemiColon;
return this.instance();
}
}
