Example usage for java.util Stack toString

Introduction

In this page you can find the example usage for java.util Stack toString.

Prototype

public String toString() 

Source Link

Document

Returns a string representation of the object.

Usage

From source file:FunctionParser.MathExp2SPARQL.java

private String prefixToInfix(Stack<String> stack, Stack<String> infixstack) {
    String s;/*from  w  w w.  ja va  2 s  . co m*/
    while (!stack.isEmpty()) {
        s = stack.pop();

        if (opmap.containsValue(s)) {
            String pop1 = infixstack.pop();
            String pop2 = infixstack.pop();
            //System.out.println(pop1 + s +pop2);
            if (s.equals("=="))
                s = "=";
            String nelem = "( " + pop1 + " " + s + " " + pop2 + " )";
            infixstack.push(nelem);
        } else if (s.equals("CEIL")) {
            String nelem = "CEIL" + infixstack.pop();
            infixstack.push(nelem);
        } else {
            infixstack.add(s);
        }
    }

    return infixstack.toString();
}

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From source file:com.taobao.tdhs.jdbc.sqlparser.ParseSQL.java

public boolean checkRealEqual(Stack<String> stack) {
    logger.debug("checkRealEqual:" + stack.toString());
    String tmp_str = "";
    @SuppressWarnings("unchecked")
    Stack<String> tmpStack = (Stack<String>) stack.clone();
    while (tmpStack.isEmpty() == false) {
        tmp_str = tmpStack.pop() + tmp_str;
    }//  w  ww  . j ava2 s . c o  m

    //?',?,?,value
    boolean result = !checkSpecialStr(tmp_str, "'");
    logger.debug(result ? "=?" : "?=?");
    return result;
}

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From source file:com.taobao.tdhs.jdbc.sqlparser.ParseSQL.java

private boolean checkSpecialStr(String sqlstring, String searchStr) {

    //????searchStr
    Stack<String> stack = new Stack<String>();
    boolean exist_danyinhao = false;
    for (int i = 0; i < sqlstring.length(); i++) {
        ////from  w  w  w. j  av  a2 s  .  co m
        if (sqlstring.substring(i, i + 1).equals("'") == false) {
            stack.push(sqlstring.substring(i, i + 1));
        }

        //'
        if (sqlstring.substring(i, i + 1).equals("'")) {
            //?\,?,\,,??
            int count = 0;
            int k = i;
            boolean real_danyinhao;
            while (k - 1 >= 0 && sqlstring.substring(k - 1, k).equals("\\") == true) {
                k--;
                count++;
            }
            //System.out.println("\\:"+count);
            if (count % 2 == 0) {
                //??
                real_danyinhao = true;
            } else {
                //???,value
                real_danyinhao = false;
                stack.push(sqlstring.substring(i, i + 1));
            }
            if (real_danyinhao == true) {
                if (exist_danyinhao == false) {
                    exist_danyinhao = true;
                    stack.push(sqlstring.substring(i, i + 1));
                } else {
                    boolean find_real_danyinhao = false;
                    while (find_real_danyinhao == false) {
                        while (!stack.pop().equals("'")) {
                            ;
                        }
                        //???,??\
                        if (stack.isEmpty() == false && stack.peek().equals("\\")) {
                            //?,???
                            count = 0;
                            while (stack.peek().equals("\\")) {
                                stack.pop();
                                count++;
                            }
                            if (count % 2 == 0) {
                                //?
                                find_real_danyinhao = true;
                            } else {
                                //?
                                find_real_danyinhao = false;
                            }
                        } else {
                            //
                            find_real_danyinhao = true;
                        }

                    }

                    exist_danyinhao = false;
                }
            }

        }
    } //end for

    logger.debug(stack.toString());

    if (stack.isEmpty() == false && stack.search(searchStr) > -1) {
        stack.clear();
        return true;
    } else {
        return false;
    }
}

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From source file:org.kepler.objectmanager.library.LibraryGenerator.java

public CompositeEntity generate(Workspace workspace, LibIndex libIndex) {
    CompositeEntity _root = null;/*from   w w  w.ja v  a 2s.  c  o  m*/
    try {
        _root = (CompositeEntity) new EntityLibrary(workspace);
        _root.setName("kepler actor library");
    } catch (ptolemy.kernel.util.NameDuplicationException nde) {
        // do nothing, just leave the name blank
        System.out.println("the name 'kepler actor library' is already in use");
    } catch (IllegalActionException e) {
        e.printStackTrace();
    }
    if (_root == null)
        return null;

    Stack<LibItem> s = new Stack<LibItem>();
    Stack<NamedObj> treeObjs = new Stack<NamedObj>();
    treeObjs.push(_root);

    Vector<LibItem> items = libIndex.getItems();
    System.gc();
    for (LibItem item : items) {
        // if (isDebugging) log.debug(item.debugString());
        try {
            // if (isDebugging) log.debug("s.size(): " + s.size());
            // if (isDebugging) log.debug("treeObjs.size(): " +
            // treeObjs.size());
            while (s.size() > 0) {
                int lastRight = s.elementAt(s.size() - 1).getRight();
                int thisRight = item.getRight();
                if (lastRight < thisRight) {
                    // if (isDebugging)
                    // log.debug(s.elementAt(s.size()-1).getRight() + " < "
                    // + item.getRight());
                    s.pop();
                    treeObjs.pop();
                } else {
                    break;
                }
            }
            if (isDebugging)
                log.debug(s.toString());
            if (isDebugging)
                log.debug(treeObjs.toString());
            NamedObj parent = treeObjs.elementAt(treeObjs.size() - 1);
            if (isDebugging)
                log.debug(parent.getName() + " " + parent.getClass().getName());
            if (parent instanceof CompositeEntity) {
                ComponentEntity current = _libMan.createAndAddTreeItem((CompositeEntity) parent, item);
                if (isDebugging) {
                    String indent = " ";
                    for (int i = 0; i < treeObjs.size(); i++) {
                        indent += "+-";
                    }
                    log.debug(indent + " " + current.getName() + "     " + current.getClass().getName());
                }
                s.push(item);
                treeObjs.push(current);
            } else {
                log.error("Parent is something other than CompositeEntity!  Should never happen.");
                // Try refreshing the order

                // Try complete reubild
                return _root;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    System.gc();
    return _root;
}

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